请高手指点：vanguard Roth IRA 买哪个funds 比较合适？

PS：新手，对股票知识是白痴 （也 不准备买）。准备３０年后退休，可以承担low－moderate risk。 可供选择的below： thanks

Mutual funds

General attributes

[table=98%]
[td=1,2,2%]

[td=1,2,21%]

Name (Minimum)[url=https://personal.vanguard.com/] [/url]

[td=1,2,10%]

Ticker[url=https://personal.vanguard.com/] [/url]

[td=1,2,10%]

Asset
Class[url=https://personal.vanguard.com/] [/url]

[td=1,2,7%]

Fund No.

[td=1,2,8%]

Expense ratio

Admiral Treasury Money Market

VUSXX

Money Market

0011

0.09%

Federal Money Market

VMFXX

Money Market

0033

0.11%

Prime Money Market ($3,000 minimum)

VMMXX

Money Market

0030

0.16%

Short-Term Bond Index ($3,000 minimum)

VBISX

Bond - Short-term Investment

0132

0.20%

Short-Term Federal ($3,000 minimum)

VSGBX

Bond - Short-term Government

0049

0.20%

Short-Term Inflation-Protected Securities Index ($3,000 minimum)

VTIPX

Bond - Short-term Government

1967

0.20%

Short-Term Treasury ($3,000 minimum)

VFISX

Bond - Short-term Government

0032

0.20%

Short-Term Investment-Grade ($3,000 minimum)

VFSTX

Bond - Short-term Investment

0039

0.20%

Emerging Markets Government Bond Index ($3,000 minimum)
Purchase Fee: 0.75%

VGOVX

International

1120

0.49%

GNMA ($3,000 minimum)

VFIIX

Bond - Inter-term Government

0036

0.21%

Inflation-Protected Securities ($3,000 minimum)

VIPSX

Bond - Inter-term Government

0119

0.20%

Intermediate-Term Bond Index ($3,000 minimum)

VBIIX

Bond - Inter-term Investment

0314

0.20%

Intermediate-Term Treasury ($3,000 minimum)

VFITX

Bond - Inter-term Government

0035

0.20%

Total Bond Market Index ($3,000 minimum)

VBMFX

Bond - Inter-term Investment

0084

0.20%

Intermediate-Term Investment-Grade ($3,000 minimum)

VFICX

Bond - Inter-term Investment

0071

0.20%

Total International Bond Index ($3,000 minimum)

VTIBX

International

1231

0.23%

High-Yield Corporate ($3,000 minimum)

VWEHX

Bond - Inter-term Low Quality

0029

0.23%

Long-Term Bond Index ($3,000 minimum)

VBLTX

Bond - Long-term Investment

0522

0.20%

Long-Term Treasury ($3,000 minimum)

VUSTX

Bond - Long-term Government

0083

0.20%

Long-Term Investment-Grade ($3,000 minimum)

VWESX

Bond - Long-term Investment

0028

0.22%

Balanced Index ($3,000 minimum)

VBINX

Balanced

0002

0.24%

Convertible Securities ($3,000 minimum)

VCVSX

Balanced

0082

0.63%

STAR ($1,000 minimum)

VGSTX

Balanced

0056

0.34%

Wellesley Income ($3,000 minimum)

VWINX

Balanced

0027

0.25%

Wellington ($3,000 minimum)

VWELX

Balanced

0021

0.26%

LifeStrategy Conservative Growth ($3,000 minimum)

VSCGX

Balanced

0724

0.15%

LifeStrategy Growth ($3,000 minimum)

VASGX

Balanced

0122

0.17%

LifeStrategy Income ($3,000 minimum)

VASIX

Balanced

0723

0.14%

LifeStrategy Moderate Growth ($3,000 minimum)

VSMGX

Balanced

0914

0.16%

Target Retirement Income ($1,000 minimum)

VTINX

Balanced

0308

0.16%

Target Retirement 2010 ($1,000 minimum)

VTENX

Balanced

0681

0.16%

Target Retirement 2015 ($1,000 minimum)

VTXVX

Balanced

0303

0.16%

Target Retirement 2020 ($1,000 minimum)

VTWNX

Balanced

0682

0.16%

Target Retirement 2025 ($1,000 minimum)

VTTVX

Balanced

0304

0.17%

Target Retirement 2030 ($1,000 minimum)

VTHRX

Balanced

0695

0.17%

Target Retirement 2035 ($1,000 minimum)

VTTHX

Balanced

0305

0.18%

Target Retirement 2040 ($1,000 minimum)

VFORX

Balanced

0696

0.18%

Target Retirement 2045 ($1,000 minimum)

VTIVX

Balanced

0306

0.18%

Target Retirement 2050 ($1,000 minimum)

VFIFX

Balanced

0699

0.18%

Target Retirement 2055 ($1,000 minimum)

VFFVX

Balanced

1487

0.18%

Target Retirement 2060 ($1,000 minimum)

VTTSX

Balanced

1691

0.18%

Managed Payout ($25,000 minimum)

VPGDX

Balanced

1498

0.34%

Market Neutral ($250,000 minimum)

VMNFX

Stock - Long-Short

0634

1.60%

Equity Income ($3,000 minimum)

VEIPX

Stock - Large-Cap Value

0065

0.30%

High Dividend Yield Index ($3,000 minimum)

VHDYX

Stock - Large-Cap Value

0623

0.19%

U.S. Value ($3,000 minimum)

VUVLX

Stock - Large-Cap Value

0124

0.30%

Value Index ($3,000 minimum)

VIVAX

Stock - Large-Cap Value

0006

0.24%

Windsor ($3,000 minimum)

VWNDX

Stock - Large-Cap Value

0022

0.37%

Windsor II ($3,000 minimum)

VWNFX

Stock - Large-Cap Value

0073

0.36%

500 Index ($3,000 minimum)

VFINX

Stock - Large-Cap Blend

0040

0.17%

Diversified Equity ($3,000 minimum)

VDEQX

Stock - Large-Cap Blend

0608

0.40%

Dividend Appreciation Index ($3,000 minimum)

VDAIX

Stock - Large-Cap Blend

0602

0.20%

Dividend Growth ($3,000 minimum)

VDIGX

Stock - Large-Cap Blend

0057

0.31%

Growth and Income ($3,000 minimum)

VQNPX

Stock - Large-Cap Blend

0093

0.36%

Large-Cap Index ($3,000 minimum)

VLACX

Stock - Large-Cap Blend

0307

0.24%

PRIMECAP Core ($3,000 minimum)

VPCCX

Stock - Large-Cap Blend

1220

0.50%

Total Stock Market Index ($3,000 minimum)

VTSMX

Stock - Large-Cap Blend

0085

0.17%

FTSE Social Index ($3,000 minimum)

VFTSX

Stock - Large-Cap Growth

0213

0.27%

Growth Index ($3,000 minimum)

VIGRX

Stock - Large-Cap Growth

0009

0.24%

Morgan Growth ($3,000 minimum)

VMRGX

Stock - Large-Cap Growth

0026

0.39%

PRIMECAP ($3,000 minimum)

VPMCX

Stock - Large-Cap Growth

0059

0.45%

U.S. Growth ($3,000 minimum)

VWUSX

Stock - Large-Cap Growth

0023

0.44%

Capital Value ($3,000 minimum)

VCVLX

Stock - Mid-Cap Value

0328

0.41%

Mid-Cap Value Index ($3,000 minimum)

VMVIX

Stock - Mid-Cap Value

0835

0.24%

Selected Value ($3,000 minimum)

VASVX

Stock - Mid-Cap Value

0934

0.44%

Extended Market Index ($3,000 minimum)

VEXMX

Stock - Mid-Cap Blend

0098

0.24%

Mid-Cap Index ($3,000 minimum)

VIMSX

Stock - Mid-Cap Blend

0859

0.24%

Strategic Equity ($3,000 minimum)

VSEQX

Stock - Mid-Cap Blend

0114

0.29%

Capital Opportunity ($3,000 minimum)

VHCOX

Stock - Mid-Cap Growth

0111

0.48%

Mid-Cap Growth ($3,000 minimum)

VMGRX

Stock - Mid-Cap Growth

0301

0.51%

Mid-Cap Growth Index ($3,000 minimum)

VMGIX

Stock - Mid-Cap Growth

0832

0.24%

Explorer Value ($3,000 minimum)

VEVFX

Stock - Small-Cap Value

1690

0.66%

Small-Cap Value Index ($3,000 minimum)

VISVX

Stock - Small-Cap Value

0860

0.24%

Small-Cap Index ($3,000 minimum)

NAESX

Stock - Small-Cap Blend

0048

0.24%

Strategic Small-Cap Equity ($3,000 minimum)

VSTCX

Stock - Small-Cap Blend

0615

0.41%

Explorer ($3,000 minimum)

VEXPX

Stock - Small-Cap Growth

0024

0.52%

Small-Cap Growth Index ($3,000 minimum)

VISGX

Stock - Small-Cap Growth

0861

0.24%

Energy ($3,000 minimum)

VGENX

Stock - Sector

0051

0.38%

Health Care ($3,000 minimum)

VGHCX

Stock - Sector

0052

0.35%

REIT Index ($3,000 minimum)

VGSIX

Stock - Sector

0123

0.24%

Developed Markets Index ($3,000 minimum)

VDVIX

International

1397

0.20%

Emerging Markets Select Stock ($3,000 minimum)

VMMSX

International

0752

0.94%

Emerging Markets Stock Index ($3,000 minimum)

VEIEX

International

0533

0.33%

European Stock Index ($3,000 minimum)

VEURX

International

0079

0.26%

FTSE All-World ex-US Index ($3,000 minimum)

VFWIX

International

0770

0.30%

FTSE All-World ex-US Small-Cap Index ($3,000 minimum)

VFSVX

International

1684

0.40%

Global Equity ($3,000 minimum)

VHGEX

International

0129

0.61%

Global ex-U.S. Real Estate Index ($3,000 minimum)
Purchase Fee: 0.25%
Redemption Fee:0.25%

VGXRX

International

0738

0.40%

Global Minimum Volatility ($3,000 minimum)

VMVFX

International

1194

0.30%

International Explorer ($3,000 minimum)

VINEX

International

0126

0.36%

International Growth ($3,000 minimum)

VWIGX

International

0081

0.47%

International Value ($3,000 minimum)

VTRIX

International

0046

0.43%

Pacific Stock Index ($3,000 minimum)

VPACX

International

0072

0.26%

Precious Metals and Mining ($3,000 minimum)

VGPMX

Stock - Sector

0053

0.25%

Total International Stock Index ($3,000 minimum)

VGTSX

International

0113

0.22%

Total World Stock Index ($3,000 minimum)

VTWSX

International

0628

0.30%