I want to buy a present for my mother and father.

　　我想給爸爸媽媽買(mǎi)件禮物。

　　It would be more economical to buy the bigger size.

　　買(mǎi)尺寸大點(diǎn)的更實(shí)惠。

　　We make sure our clients get the best that money can buy.

　　我們確保客戶買(mǎi)到最好的產(chǎn)品。

　　We need to buy some new furniture.

　　我們需要買(mǎi)一些新家具。

　　They've bought themselves a new car.

　　他們給自己買(mǎi)了一輛新車。