虽然有时您可能会想要使用只能由基底类别所引发的事件，但是在多数情形下，您应该启用衍生类别来叫用基底类别事件。
Although sometimes you may want an event that can only be raised by the base class, most of the time, you should enable the derived class to invoke base class events.
不过达尔文还认识到，个体利益和群体利益经常会发生激烈的冲突，而且在大多数情形下，个体利益一般情况下都会战胜群体利益。
But Darwin also recognized that individual and group interests often conflict sharply and that, in those cases, individual interests generally trump group interests.
在大多数情形下，你希望告知的人们是公众。这对于语言的使用意味着什么？
In most situations, the people you wish to inform are the public. What does this imply for the language used?
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