Sure. We were in the same class.

当然认识。我们同班呢。

Thanks.The same to you. Bye.

谢谢。也祝你旅途愉快！

I hope we can make a decision today. I believe prices might go up next week.

我希望今天就决定下来。我相信下周价格会上涨。

Oh! Well, for that, you'd better find an English pen friend.

哦！那你最好为此找一个英文的笔友。

Mathilde! Oh yes. Sorry, I didn't recognize you. Where have you been all these years, Mathilde? I hope you weren't ill. You don't look very well.

玛蒂尔德！真的是你呀！对不起，我没有认出你来。这些年你上哪儿去了，玛蒂尔德？我想你没有病吧，你的脸色看来不太好。

The characters on the paper were white, and the rest of the paper was black.

纸上的汉字呈白色，其余部分成黑色。