提供各种样式和材质的球保持架，优化轴承性能。
Provide a variety of styles and materials of the ball cage to optimize bearing performance.
每个人要的土豆泥都不一样，我得做各种样式的土豆泥。
You know, everyone wants a different kind of potatoes, so I'm making different kinds of potatoes.
然后浏览器根据标准的CSS级联、继承和排序规则，为元素指定匹配的各种样式。
It then matches elements to styles specified in various stylesheets, according to the standard CSS cascade, inheritance, and ordering rules.
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