| 释义 |
nut METAL OBJECTnQtn [C]a small piece of metal with a hole in it that a BOLT (= a screw-like object) can be screwed into螺帽; 螺母Nuts and bolts are used to hold pieces of machinery together.螺帽和螺栓是用来把机器的零部件拧在一起的。The nuts and bolts of something are the practical facts of that thing rather than theoretical ideas about it.实质性的东西When it came to the nuts and bolts of running a business, he was clearly unable to cope.当涉及到企业经营的实质性问题时，他显然不能应付了。
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