Firstly we discuss the position of answering in distant education - a sound answering system is a mandatory factor to make a successful distant education.

本文首先指出了答疑在远程教育中所处的地位，答疑系统的完善与否是衡量远程教育是否成功的一个重要因素。

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Knowing a famous person has the same impairment as you can be reassuring, but only in the vague way that hearing of a successful distant relative is reassuring.

BBC: Viewpoint: Do famous role models help or hinder?