如果你总是以某种方式或做某种事情，但它不再适合你，或者你不满足，爱默生说，即使是与我们自己的过去保持一致也是愚蠢的。
If you've always been a certain way or done a certain thing, but it's not working for you any more, or you're not content, Emerson says that it'd be foolish to be consistent even with our own past.
比喻为团队提供了一致的画面，他们可以用它来描述现有系统的工作方式、新部件适合的位置，以及它们应该采取的形式。
The metaphor gives the team a consistent picture they can use to describe the way the existing system works, where new parts fit, and what form they should take.
它们不仅节省了大量的开发时间，而且提供了一种一致的方法，这种方法同样适合于其他处理程序—甚至适合其他点击-拖动处理程序。
Not only do they save a bit of development time, but they also provide a consistent approach that works well in the presence of other handlers-even other click-and-drag handlers.
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