He gave his children the best education that money can buy.
他让孩子们接受花钱能买到的最好的.教育。
We might buy it but then again we might not.
我们可能买，不过也可能不买。
We're buying a new TV with the money.
我们要用这笔钱买一台新电视机。
I want to buy a present for my mother and father.
我想给爸爸妈妈买件礼物。
It would be more economical to buy the bigger size.
买尺寸大点的更实惠。