人类对外星人的探索已经有相当一段时间了,但始终没能找到令人信服的证据证明外星人存在,宇宙之浩瀚让我们没有理由相信我们在宇宙中是孤独的。我坚信外星生命的存在,但对于外星生命来访地球没抱太大的热情。试想一下,能孕育生命的星球——孕育生命——足够的时间进化出智能生命——再足够的时间制造出可以进行星际旅行的工 Humans have been exploring aliens for quite some time, but have never found convincing evidence that aliens exist. The vastness of the universe gives us no reason to believe that we are lonely in the universe. I firmly believe in the existence of extraterrestrial life, but do not have much enthusiasm for visiting the Earth on alien life. Imagine the planet that can nurture life - give birth to life - enough time to evolve intelligent life - and then enough time to make a workable Star Trek