permission是名词，表示许可，没有过去式和过去分词，例如：
1、They have permission to build 200 new houses.他们得到建200座新房的许可。
2、She took the car without permission.她未经许可擅自使用了汽车。
3、With your permission, I\'d like to say a few words.如蒙允许，我想讲几句话。
水利万物而不争,
而万物莫能与之争。
