动词
中文翻译：花费
同义词：
['expense', 'charge', 'incur']
例句：
-
1. The cost of the new car is $30,000.
这辆新车的成本是3万美元。
-
2. The cost of living has increased significantly over the past year.
过去一年，生活成本显著增加。
-
3. The company's decision to invest in a new technology was a costly one.
公司决定投资新技术是一个代价高昂的决定。