The reuse issue is absolutely critical — it would be insane to write everything from scratch for each application, because it would take too long to redevelop each component.
重用的问题相当关键——为每个应用程序都从新开始编写所有的内容是非常愚蠢的，因为重新开发每个组件会花费太长时间。
If the need for reuse is not great, it's completely logical to write schemas this way.
如果重用的需求不是十分迫切，那么用这种方式编写模式是完全合理的。
For instance, I could write a validation rule asserting that a given parameter was not null and then reuse it across all methods needing the same rule.
例如，我可以写一个验证规则，用于断言指定参数不为null，然后在所有需要同样规则的方法中重用它。
Building on current Eclipse and OSGi technology as a solid foundation, a major goal of e4 is to make it easier for you to write and reuse components.
以当前的eclipse和osgi技术作为坚实的基础，e4的一个主要目标就是让您能更轻松地编写和重用组件。
I know that some teachers reuse past exams and it would be hard to have to write a new test for every class.
我知道一些老师使用往届的试题，都像这个网站这么干，为每一年的考试重新出题将成为一项很艰辛的工作。
Well-designed functions are often useful for many programs. Once you write and debug one, you can reuse it.
精细设计的函数会对很多程序都有用处。一旦你写好了并且除了错，这种函数代码可以再利用。
Well-designed functions are often useful for many programs. Once you write and debug one, you can reuse it.
精细设计的函数会对很多程序都有用处。一旦你写好了并且除了错，这种函数代码可以再利用。
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