网络应用程序同样能从上下文相关的控件中获益，因为这些控件可以通过只显示用户所需要的，来使界面简洁干净，而不是显示所有可用的。
Web applications can also benefit from such context-sensitive controls because these controls help unclutter interfaces by showing only what the user needs, not everything that's available.
用这种方法你可以显示所有错误的摘要而不是只显示一个错误。
This way you can display a summary of errors instead of one error at the time.
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