| 释义 |
n. root,bottom,heart,core,nub 1. | [sing] the ~ (of sth) （难题或问题的）关键，最难点，症结the most important or difficult part of a problem or an issue |
| Now we come to the crux of the matter . 现在我们来谈问题的症结。 |
n. | 1. an essential or deciding point or element in something, e.g. in an argument 2. an extremely difficult or puzzling problem 3. the most demanding part of a climb up a mountain or rocks |
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