This evolution was natural, since there was no sense fleshing out the details of use cases until we figured out whether we'd defined the right use cases to begin with.
这个演进是自然形成的,因为直到断定了是否我们开始定义的用例是正确的,我们才可以为用例进行更为详细的信息添加。
A century and a half after Darwin suggested natural selection as the mechanism of evolution, engineers have proved him right once again.
达尔文于150年前提出自然选择是进化的机理,工程师们再次验证了他的至理法则。
If he's right, it is possible the second, winter wave of 1918 flu was more deadly not because of viral evolution but because bacterial infections are more common in winter.
如果他的假设正确,则在1918年冬天爆发的第二波流感变得更加致命的原因很可能不是因为病毒的演变而是因为细菌感染在冬季更加常见。
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