这也就意味着我对他们作业的长篇大论更多的可能是满足我自己的意愿，想让他们在功课上像我一样成功，而不是对他们学习数学或者是化学的关心。
Which means that my homework haranguing may be more about my own need to make them as successful in school as I was than it is about their knowledge of math or chemistry.
使用“达尔文选择”或“达尔文进化论”这样的短语意味着工作中必须有另一种进化形式，一种可以用另一个形容词来描述的过程。
Using phrases like "Darwinian selection" or "Darwinian evolution" implies there must be another kind of evolution at work, a process that can be described with another adjective.
理由就是他们的运动是相对的。正如我们所理解的那样，相对论就意味着我们可以选用一种解释了。
The reason is that their motion is relative, and relativity, as we have seen, means that we have a choice.
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