| 单词 | goldmine |
| 释义 | goldminegoldmine /ˈgoʊldmaɪn/ noun [countable] 1informal a business or activity that produces large profits: His printing business has turned out to be a real goldmine.2a deep hole or system of holes under the ground from which rock containing gold is taken3be sitting on a goldmine to own something very valuable, especially without realizing this |
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