Watch the variables being used in a function. If you notice a function using an out-of-scope variable more than once, store it in a local variable and use that instead.

仔细检查函数中所有使用的变量，如果有一个变量不是当前作用域定义的，而且使用了不止一次，那么我们就应该把这个变量保存在局部变量中，而使用这个局部变量来进行读写操作。

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The goal of this tool, built on the power of instant messaging, is to watch for performance and function failures and report them to the appropriate support team.

该工具构建在即时消息之上，它的目的是监控性能和功能故障，并将它们报告给相应的支持团队。

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This Watch camera have a special function, you can use it as a PC camera on your computer.

这块手表相机具有特殊的功能，您可以使用它作为一个摄像头在您的计算机上。

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You can take a strong, principled stance on the subject with the realization that the behavior of the NRA is only hurting your cause as it continues to offend and alienate average, middle class Americans who understand and sympathize with your position but are being driven away from your arguments and logic as they watch the NRA function as an extremist organization.

FORBES: Not Your Father's NRA Goes After Obama Children In Disturbing Television Ad

And for those who follow the global markets, Girard-Perregaux's watch provides a financial function that keeps track of opening and closing times on the stock exchange in New York, London, Hong Kong and Tokyo.

WSJ: World-Time Keeping Wristwatches

Mr Morrison highlighted changes such as a new unit in Houston focused on monitoring wells being drilled offshore to watch for signs of trouble: a function that he said had no parallel in other companies.

CNN: BP claims it now leads the way on safety