accent是口音的意思，而dialect则是方言的意思，区别可以从以下例子看出：
Fortunately he speaks in Chinesethough has accent of Northern, if he speaks in dialect, such Cantonese, I will not understand at all.
还好他会说中文，虽然有北方口音，如果他说方言，广东话，我根本听不懂。
水利万物而不争,
而万物莫能与之争。
