tuō yùn xíng li qián, xiān kàn yī yǎn xiāng zi tí shǒu shàng yǒu méi yǒu jiù xíng li tiáo

托运行李前，先看一眼箱子提手上有没有旧行李条。

Before checking in luggage, first check the handle of the suitcase for old luggage tags.