动词短语中文翻译
中文翻译：作为最有用的第二选择
同义词：
['act as a substitute', 'act as a backup例句：1. She acted as a substitute teacher for the class.（她作为代课老师为班级授课。）']
例句：
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1. She acted as a substitute teacher for the class.
她作为代课老师为班级授课。
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2. He acted as a backup driver when his friend was ill.
当他的朋友生病时，他作为替补司机开车。
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3.The company acted as a substitute for the injured worker.
公司作为受伤工人的替代者工作。