Because that will result in a threat to the existence of human society.

因为这会导致对人类社会生存的威胁。

youdao

But it is mainly a tragedy because to be human means to live in a totally different way, more complex and more dramatic than natural existence.

但是人的主要意义在于他是一个悲剧，作为人类意味着以完全不同的方式生活着，比之自然之存在，他更为复杂，且更为戏剧。

youdao

"Natural selection can't call things into existence just because they are desirable, " says Tattersall, one of the deans of human evolutionary research. "Novelties happen randomly."

人类进化研究院的院长塔特索尔说，自然选择不能让令人喜欢的东西自行存在

youdao

You may have some inkling of compassion, because it's a human being in a very wretched state of existence, but I think they're unsympathetic to the extent that, historically, we have not put any kind of public resource at their disposal to help change their lives.

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