设计者往往为了避免错误而过于严格：通过对文件进行彻底的验证提前发现错误以便建立更稳定的系统。

Designers tend to be strict in an attempt to prevent errors; catching errors early through proper validation of files helps build more stable systems.

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站点上通常都含有那些搜索引擎没必要建立索引的页面，例如脚本目录中的文件、管理页面和错误页面等等。

Usually on a site, there are pages that are not useful for a search engine to index, such as files in the scripts directory, administrative pages, error pages, and so on.

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最后，我将演示如何使用一个以前由别人—比如一个测试人员—建立的IntelliTrace记录文件去调试一个应用程序，而不用去运行该应用程序以重现错误。

Finally, I'll show how to use a previously recorded IntelliTrace file that was created by someone else-a tester-to debug an application, without having to run the application to reproduce the error.

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