This is handy, because you only need to remember one standard for finding the elements you want through jQuery and for styling them with CSS.

这很方便，因为您只需要记住一个针对通过jQuery找到想要的元素和利用CSS为元素定义样式的标准。

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In this example, the function is passed a string containing some Cascading Style Sheets (CSS) syntax, and jQuery finds the elements as efficiently as possible.

在本例中，一个包含有一些层叠样式表(Cascading Style Sheet, CSS)语法的字符串被传递给函数，然后jQuery尽可能高效地把这些元素找出来。

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At the top of the page, Listing 4 includes the jQuery library and a CSS stylesheet to make the output pretty.

在页面的顶部，清单4包括jquery库和css样式表，以使输出更美观。

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