You're obviously used to doing this when you attach events to things, and for simple things like attaching classes in certain situations.

要将事件附加到页面元素或在特定情况下需要添加类时，通常需要这样做。

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While many people attach great importance to this issue, no real effective actions have been taken to solve it. Therefore, we should do our utmost in doing something to solve it.

尽管人们非常重视这个问题，然而并没有采取真正有效的措施，因此，我们应尽最大努力来解决这一问题。

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The rich deposition of ancient Chinese prose is one of the main features of South Fujian dialect to which the experts and scholars doing research on Chinese language history always attach importance.

古语积淀十分丰富是闽南方言的一大特点，历来为研究汉语史的专家、学者所重视。

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