SQL data binding might be a new term, but it's a pretty simple concept.
SQL数据绑定也许是一个新的术语，概念其实非常简单。
Selection is a pretty simple concept, but there are a couple of basic variants worth discussing.
选择是相当简单的一个概念，但有一些变体值得我们来讨论。
Selection is a pretty simple concept, but there are a couple of basic variants worth discussing.
选择是相当简单的一个概念，但有一些变体值得我们来讨论。
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