mǎi rèn jiǎo xié de shí hòu yào zhù yì qū fēn zuǒ yòu，chuān fǎn le huì hěn bù shū fu。

买认脚鞋的时候要注意区分左右，穿反了会很不舒服。

When buying left-and-right pair shoes, you need to distinguish between left and right, as wearing them backwards will be very uncomfortable.