We said we realized that these authors were busy - too busy to prepare a lecture. So we enclosed a list of questions for them to answer about themselves and their methods of work.

• 我们知道他们一定很忙，没有演讲的时间，所以我们在每封信里，附上一张请求有所解释的问题表，请他们填下自己写作的方法等项后，把这张表寄下给我们。