Is there any solid evidence against evolution?
有没有确凿的证据反对进化论?
But that is unproven, and would be a strike against evolution because, in nature, the umbilicus of a mammal usually does remain attached to the infant for some time after birth.
但是,这个论据是未经证实的,而且也有违进化论。因为,自然中,普通动物在分娩后,脐带还会与婴儿连接一段时间。
This is a classic trade-off in language evolution: weighing the benefits of improving the language in an obvious way against the unknown risk of breaking some (possibly weird) programs.
在语言演变中这是一个经典的权衡:即以明显的方式改进语言的优势与破坏一些(可能很奇怪的)程序的未知风险之间进行权衡。
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