对于年青人这些是更重要的原因。老年人则是想多活几年。不信去问杨振宁:)
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送交者: Enlighten 于 2006-2-13, 14:07:27:
回答: It's also good for self-esteem, which leads to a better life. 由 Enlighten 于 2006-2-13, 14:00:48:
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