送交者: HunHunSheng 于 2005-8-18, 14:50:07:
回答: 俺觉得要是人类发现了另一个可以居住的可以到达的星球 由 蓝隼 于 2005-8-18, 13:48:24:
If a country invents a longevity/immortality drug,
no citizen of that country want to die defending
it. Other countries can not reists temptation
to invade it to get drug too