Should we fear space aliens?

3 点作者 apphacker大约 15 年前

2 条评论

btilly大约 15 年前

If they haven't shown up already, they are unlikely to any time soon.<p><a href="http://en.wikipedia.org/wiki/Fermi_paradox" rel="nofollow">http://en.wikipedia.org/wiki/Fermi_paradox</a>

dmfdmf大约 15 年前

no.