bàoxiū shí shuō qīngchu sān jiàn shì: nǎlǐ huài le, shénme shíhou kāishǐ, xiànzài yǐngxiǎng shénme

报修时说清楚三件事：哪里坏了、什么时候开始、现在影响什么。

When reporting a repair, clearly state three things: what is broken, when it started, and what it currently affects.