名词短语
中文翻译：任务的持续时间时间
同义词：
['meaningful duration', 'meaningful time']
例句：
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1.The company's mission is to improve the quality of life for all its employees.
该公司的使命是提高所有员工的生活品质。
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2. It took me a long time to realize that this was not just a coincidence.
我花了很久的时间才意识到这不仅仅是巧合。
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3.The project's duration time has been extended due to unexpected delays.
由于意外的延误，该项目的持续时间已经延长。