学个词 Learn A Word:634 double-edged sword

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今天我们要学的词是double-edged sword。 Double-edged sword, 双刃剑，指一件事情有利有弊。 "The holiday break is a double-edged sword for the football team, because the championship game is on Jan. 2nd," 年底的假期对球队来说是一把双刃剑，因为1月2号就要举行冠军赛了。

分析人士说，油价下降有助于刺激经济复苏，但是与此同时，也会降低研发替代能源的危机感。因此说， "The falling oil prices are a double-edged sword," 原油降价是一把双刃剑。好的，今天我们学习的词是double-edged sword...