[问题] 请问怎么翻这句话

楼主: descent (“雄辩是银,沉默是金”)   2014-08-11 14:31:19
To define a variable, we search the first frame for a
binding for the variable
书中翻译成: 我们需要在第一个框架查找该变量的约束
真的看不懂, 怎么翻译比较好呢?

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