shuō qīng jùtǐ wèntí hé wèizhì bǐ bàoyuàn yī jù tài zāng le gèng róngyì chǔlǐ

说清具体问题和位置，比抱怨一句“太脏了”更容易处理。

Clearly stating the specific issue and location is easier to handle than just complaining it's too dirty