名词
中文翻译：挫折线
同义词：
['failure line', 'obstacle line']
例句：
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1.The project encountered a setback line duringthe development phase.
项目在开发阶段遇到了挫折。
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2. The company's financial performance hasbeen hit by a setback line dueto the pandemic.
由于疫情，公司的财务状况受到了挫折线的打击。
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3. The team had to overcomeseveral setback lines before they couldmove forward.
团队在前进之前必须克服几个挫折线。