体力活 或者 公司需要请长久的员工

因为，有些工作要搬东西，担心体力不足的问题。又或者，工作的地方没有冷气，担心年纪大的人承受不住。而且，年纪大了，身体机能比较差，容易患上“三高”，所以，通常公司会选择年纪轻的员工。

Some jobs have age limits due to physical requirements or safety concerns. For example, positions that involve heavy lifting or working at heights may have age restrictions to ensure the safety and well-being of employees. Additionally, some industries may have mandatory retirement ages to make room for younger employees to enter the workforce and advance their careers.