They've bought themselves a new car.

　　他們給自己買(mǎi)了一輛新車(chē)。

　　She bought a small plot of land to build a house.

　　她買(mǎi)了一小塊地蓋房子。

　　My own feeling is that we should buy the cheaper one.

　　我個(gè)人的意見(jiàn)是我們應該買(mǎi)較便宜的那個(gè)。

　　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(xué)生買(mǎi)一本詞典，好像也沒(méi)什么不合情理。