例句：

　　You would do well to consider all the options before buying.

　　你購買(mǎi)之前最好對各種選擇都考慮一下。

　　We buy our fruit and vegetables at the market.

　　我們在市場(chǎng)上購買(mǎi)水果和蔬菜。

　　Now is a good time to buy a house.

　　現在買(mǎi)房子正是時(shí)候。