be的过去分词形式是been。been的意思是曾经到过(某地)。been的例句A new system has been devised to control traffic in the city(控制城市交通的新系统已经设计出来)。
been的例句There have been many changes in recent years(近几年发生了许多变化);The information has been placed in the public domain(这资料不受版权保护)。
水利万物而不争,
而万物莫能与之争。