我叫汤姆去买牛奶了。

I've sent Tom to buy some milk.

《牛津词典》

我去买份报纸，你能替我照看一下我的包吗？

Could you watch my bags for me while I buy a paper?

《牛津词典》

我动身去买吃的。

I set out to buy food.

《牛津词典》

We aren't very wealthy, so we don't have enough money to spend on that even if I wanted to.

我们不是很富有，所以即使是我想买，我也没有足够的钱去买。

不需要名牌 - SpeakingMax英语口语达人

If the Fed wants to push the Federal Funds Rate up and down it goes and buys short-term government bonds.

如果联邦希望推动,联邦资金利率上升下降,它将会去买短期的政府债券。

耶鲁公开课 - 金融市场课程节选

Now, instead of being the cost of traveling that distance to go and buy the product, what's it going to be?

不是走一定距离,去买产品的成本,它是什么呢

耶鲁公开课 - 博弈论课程节选