Mary：Do you sell extra memory here?

你这儿卖内存吗？

John：Yes, for a laptop or desktop?

卖，您要笔记本的还是台式机的？

Mary：Laptop.

笔记本的。

John：What kind of memory do you want? 1 GB or 512 MB? Samsung or Kingston? DDR1 or DDR2?

你打算买什么样的？1G的还是512m的？三星的还是金士顿的？DDR一代的还是二代的？

Mary：Well, I want two 1G DDR2 Kingstons. How much are they?

我买俩1G的金士顿二代的。多少钱？

John：I'll give you a preferential price for two. 300 yuan.

两个给您优惠，三百。

Mary：Sure. And I will bring my notebook over. Could you install them for me?

好的。我带本子来了，你给我装上试试吧。