V to depress or demoralize 使沮丧
the flu really dragged her down
None of these effects was large, but the study undermines the claim that immigrants steal jobs from natives or drag down their wages.
这些影响都不是很大，但这项研究推翻了移民从本地人那里偷走工作机会或拉低他们工资的说法。
A construction bust will continue to drag down output growth.
新建屋减少会继续拉低产出增长。
Such a commitment could drag down long-term Treasury-bond yields.
这样一个承诺可能拉低美国长期国债的收益率。
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