to buy

• 买票

  buy a ticket

• 去买票

  go and buy a ticket

• 去买菜

  go and buy groceries

• 买好冬天用的煤

  have bought coal for the winter

• 买不起

  cannot afford to buy

• 这货贵得买不起。

  These goods are so expensive that they are not affordable.

• 买进一批货

  purchase a batch of goods

• 哪里也买不着

  can't buy them anywhere

• 她买东西去了。

  She's gone shopping.

• 他买了几块钱的零星东西。

  He spent a few dollars on some odds and ends.

• 这本书是在北京买的。

  This book was bought in Beijing.