只须遵循英语单词的规则和规律和习惯便可。
see的过去分词 seen。
seev.看见；见到；看出；看得见
I haven\'t seen him since the summer before last.
我已有两个夏天没见过他了。
That\'s the best movie I\'ve seen in years.
那是我多年来看过的\'最好的电影。
They haven\'t seen each other for years.
他们彼此多年没有见面了。
水利万物而不争,
而万物莫能与之争。
