They've bought themselves a new car.
他們給自己買了一輛新車。
She bought a small plot of land to build a house.
她買了一小塊地蓋房子。
My own feeling is that we should buy the cheaper one.
我個人的意見是我們應該買較便宜的那個。
We can deduce a lot from what people choose to buy.
從人們選購的東西可以作出多方面的推斷。
It seems only reasonable to ask students to buy a dictionary.
要學生買一本詞典，好像也沒什么不合情理。