年轻男子，通常会在19到21岁之间承担一项为期二十四个月的劝服工作，年轻妇女在21岁之后也需要承担这一任务。

Young men, generally between the ages of 19 and 21, undertake a 24-month proselytizing mission, as do young women of age 21 and older.

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美国宇航局表示，“奋进号”的此次任务将从十四天延长至十六天。

NASA says Endeavour's mission will be extended from 14 days to 16 days.

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第二十四条国家根据人民警察的工作性质、任务和特点，规定组织机构设置和职务序列。

Article 24 the State, according to the nature, tasks and characteristics of the work of the people's police, prescribes its organizational structure and post order.

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