buy有相信的意思吗

　　例句：

　　We need to buy some new furniture.

　　我们需要买一些新家具。

　　They've bought themselves a new car.

　　他们给自己买了一辆新车。

　　I went to buy a paper at the corner dairy.

　　我到街角的小店去买了份报纸。

　　You'll have to choose whether to buy it or not.

　　买还是不买，你得作出选择。