[概述]2﹒欢迎学生来学习（Welcome a student to study）

Dear Mr . . . .，I am pleased to have your letter asking for a medical clerkship in our hospital from October to December 30，2001 .If you intend to travel within China，you can take trains for short dis‐tances and airplane for far travel .您希望从2001年10月1日至12月 ......