名词短语
中文翻译：活动的成本
同义词：
['activity cost', 'expense of activity']
例句：
-
1.The cost of the event was $500.
这次活动的花费是500美元。
-
2.The company spent a lot on marketing and advertising.
公司在这方面投入了很多资金。
-
3. The cost of running a business is high, but it's worth it in the end.
经营一家企业的成本很高，但最终是值得的。