Are they helping us find needles in haystacks, or are they more helping us find piles of needles that are already neatly sorted?
它们是帮助我们大海捞针，还是更多地帮助我们找到一堆已经整齐分类的针？
| 单词 | needle in haystack |
| 例句 |
原声例句
魔鬼经济学 Are they helping us find needles in haystacks, or are they more helping us find piles of needles that are already neatly sorted? 它们是帮助我们大海捞针，还是更多地帮助我们找到一堆已经整齐分类的针？ |
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