And this is a very challenging idea. It's a very challenging idea to mainstream media. It's a very challenging idea to anyone who has invested an enormous amount of time and expertise, and who has a lot of energy invested in the notion that he or she knows better than everyone else.
而这是一个十分有挑战性的观点。非常非常有挑战性 特别是对主流媒体来说。这也是一个对于任何花费了无数时间，拥有专业技能的人 十分有挑战性的观点 同样也是对那些花费了很多精力形成一个观点， 认为自己比其他人知道的更多的人的一种挑战。