have mixed views on 意见不一

　　It has been around fifteen years since the Internet was first introduced

　　into British households but people still have mixed views on whether it is a positive or negative inlluence on society.从因特网第一次走进英国家庭到现在已经有将近十五年了，但人们至今关于网络对社会产生的影响究竟是积极的还是消极的仍然意见不一。

　　be a highly charged issue 引起激烈讨论的话题=trigger fierce debate

　　Euthanasia is a highly charged issue in many countries.  安乐死在很多国家都是能引起激烈讨论的话题。

　　be a well-established fact 是一个得到公认的事实

　　It is a well-established fact that people who experience social exclusion have a tendency to slide toward superstitious and conspiratorial thinking. 感觉被社会排斥的人往往会投入迷信和阴谋论怀抱，这是一个得到公认的事实。