Take a look at the entire function reference, pick a category and have a browse - you're bound to find something new.
看一下整个函数参考，选择一个类别，浏览一下，您一定会有所发现。
youdao
Make a list and pick your top three in each category.
列个单子吧，然后每种选出三件最重要的事。
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模块上移
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