qǐngjià shí shuōmíng zhège xiànzhì zhǔguǎn gèng róngyì lǐjiě wèishénme bùnéng huàn chéng xiànshàng chǔlǐ

请假时说明这个限制，主管更容易理解为什么不能换成线上处理。

When requesting leave, explain this limitation, and the supervisor will understand why it can't be replaced with an online process.