从事科学研究和发明创造的人,遇到对立面是常见的事。然而有些人老虎屁股摸不得,别人对他的东西提反面意见时,总是一概予以排斥,唯我独尊。而另一些人则不一样,他们欢迎对立面,甚至专门寻找对立面,在激烈的争论碰撞中,完善自己的发明创造,甚至碰撞出新的发明火花。前者之举当然 Opponents of scientific research and inventions are common. However, some people can not touch the tiger's ass, while others give a negative opinion on what he or she always invariably rejects. Others, on the other hand, are different. They welcome the opposition and even look for the opposite. In the midst of fierce debate and collision, they improve their own inventions and even collide with new inventions. The former course of course