动词
中文翻译：花费
同义词：
['expense', 'charge', 'incur', 'bear']
例句：
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1. The cost of the new car is$50,000.
这辆新车的价格是5万美元。
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2. The costof living has increased significantly over the pastyear.
过去一年，生活成本显著上升。
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3. Thecompany's decision to invest in researchand development will have a significant cost.
公司决定投资研发将带来重大成本。