sell的过去式和名词

　　The price is obviously one of the main selling points.

　　显然，价格低是一大卖点。

　　Now we have to try and sell the idea to management.

　　现在，我们必须设法说服管理层采纳这个意见。

　　We're in the process of selling our house.

　　我们正在出售自家的住宅。