By knowing the store policy, the haggler knows when to return to check the price of something they already bought.

弄清减价规律，砍家就知道什么时候去查证他们已购物品的价格。

youdao

By knowing the store policy, the haggler knows when to return to check the price of something they already bought.

弄清减价规律，砍家就知道什么时候去查证他们已购物品的价格。

youdao