The end that such doing is not opportunistic absolutely, make intellectual control has byelaw more however, it is a kind of shortcut that the system remembers professional knowledge.

这样做的目的绝对不是投机取巧，而是使知识的掌握更加具有条例，是系统记忆专业知识的一种捷径。

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It concluded that Savile was an "opportunistic individual who used his celebrity status as a powerful tool to coerce and control" his victims.

BBC: Jimmy Savile scandal: Five Scottish offences reported