如果运营商被允许收钱来提供更好的服务，他们可能要对每个网络站点进行敲诈勒索。
If operators were allowed to charge for better service, they could extort protection money from every website.
这一创意是由一位印度籍侨民所构想，他是一位来自马里兰州大学的物理学教授在回国期间，他发现自己总是被无休止的敲诈勒索骚扰着。
The idea was dreamt up by an expatriate Indian physics professor from the University of Maryland who, travelling back home, found himself harassed by endless extortion demands.
一些对冲基金向麦道夫这样的理财公司举债，但同时他们被无情的进行敲诈。
Some also turned to money managers like Mr Madoff, where they were mercilessly fleeced.
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