And here comes biology -- biology, with its basic question, which still stands unanswered, which is essentially: "If there is life on other planets, do we expect it to be like life on Earth?"
那就是生物学 生物学方面的基本问题 仍然没有得到解决 问题就是 如果在其他行星上有生命存在 他们是否会类似于地球上的生命？