ee option
ee选项
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Another option suggested by a poster on Bogleheads.org was to start investing in the EE Bonds at age 60 and then start redeeming them at age 80, immediately after they had doubled in value.
FORBES: A Simple Way To Build Your Own Annuity
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