Predicate functions are often very simple and better off being defined using a closure.

对函数使用断言通常很简单，而且最好使用闭包定义。

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Or a lot of the times when a website is compromised and you're able to steal someone's usernames and passwords, very often are the result of simple little things like this.

很多时候，当要访问的网站被人破坏了,你就有机会窃取别人的账号,和密码，正是因为这样或那样的小疏忽存在,才会导致这种事情频频发生。

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It's often these very simple but powerful ideas that really take off.

这些简单的观点常常极为有力,能够产生深远的影响。

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Chief Petty Officer Simon Johnson says it's often very simple.

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That is a very simple model, but it works often enough to warrant a careful study by anyone who is interested in trading.

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The very few that exist are simple structures, often without water or even electricity, built by villages that have no means or access to put in the equipment or provide the supplies for a proper clinic.

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