复旦大学的关于NIOS的一本教材，超级棒，描述很详细，非常适宜新手上路。
Fudan University on one of NIOS materials, super rods, described in great detail, very suitable for novice road.
然而同样，我们也不必强迫超级用户接受我们提供给新手用户或者临时用户的帮助。
Similarly, however, we must not force power users to pay the full price for our providing help to new or infrequent users.
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