keep ones options open
留有选择余地
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Research by Harvard psychologist Dan Gilbert, author of Stumbling on Happiness, shows that reversible, keep-your-options-open decisions reliably lead to lower levels of satisfaction than irreversible ones.
FORBES: Why Keeping Your Options Open Is Really, Really Bad Idea
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