bǐrú fánqǐng nín jīntiān xiàbān qián quèrèn bǐ nǐ bìxū jīntiān quèrèn zìrán, dàn shíjiān réngrán qīngchu

比如“烦请您今天下班前确认”比“你必须今天确认”自然，但时间仍然清楚。

For example, 'Please confirm before leaving work today' is more natural than 'You must confirm today', yet the time remains clear.