No, thank you. Thanks for all your help.

不必了，谢谢。谢谢你帮了我大忙。

This is Zhou Lan speaking.

我就是周兰。

I feel rather ashamed.

我感到很不好意思。

Fortunately, we could see where we were going。

幸好我们能辨认我们要走的方向。

How do you do ? Are you having a nice time in Beijing?

你好！你在北京玩得愉快吗？

Sometimes we aren't able to get into every building because there are too many steps.

有时我们并不能进每栋楼房，是因为楼梯太多了。