词典释义：
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Well, I mean, we've gotta do something. Okay? Nannies like her don't grow on trees.
那我们得要做点什么，不是吗？像她那样的保姆是不会凭空出现在树上的。
《Friends Season 9》《老友记 第九季》
双语例句
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Not many people have nannies over here.
这里没多少人有保姆。
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Yeah, nannies are less common here. They're expensive and are more for full-time care.
好吧，专职保姆在这里不太常见。他们很贵，而且更多的是全职看护。