cháng shí jiān / chuān / tóng yì shuāng / xié / xié zi / de / xíng zhuàng / róng yì / zǒu xíng r

长时间穿同一双鞋，鞋子的形状容易走形儿。

If you wear the same pair of shoes for a long time, they easily lose their shape.