gōng / sī / guī / dìng / měi / yuè / zuì / hòu / yī / gè / zhōu / wǔ / shì / gōng / yì / láo / dòng / rì / quán / tǐ / yuán / gōng / dōu / yào / cān / yù / yuán / qū / lǜ / huà / wéi / hù

公司规定每月最后一个周五是公益劳动日，全体员工都要参与园区绿化维护。

The company stipulates that the last Friday of every month is a public welfare workday, and all employees are required to participate in the maintenance of the campus greenery.