He said people exchange friendly words with him as they buy their goods in his store.

他说，人们去他的店里买东西时，会与他友好地交谈。

There are many apps for shopping in China: Taobao, Pinduoduo, Tmall and Alibaba. We can also buy second-hand goods in Xianyu.

淘宝、拼多多、天猫和阿里巴巴。我们还可以在闲鱼购置二手物品。