Kuàidì tóusù shí, shuō qīngdānhào, shíjiān, dìdiǎn, wèntí hé nǐ xīwàng zěnme chǔlǐ

快递投诉时，说清单号、时间、地点、问题和你希望怎么处理。

When filing a delivery complaint, state the tracking number, time, location, problem, and how you want it resolved.