介绍:
1. Yes, we have done a little. B ut we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。
2. If you are interested, I will prepare a list of them.
如果您感兴趣的话，我可以列表让你参考。
3. By the way, before leaving this subject, I would like to add a few comments.
在结束这个问题之前顺便一提，我希望能再提出一些看法。
