separate同divide有乜分別

seperate=分離,分手,分居 ,分隔etc
The two communities are separated by a highway.
這兩個社區由一條公路隔開。
divide=【數】除,劃分,分裂,etc
The teacher divided our class into four groups.
老師把我們班分成四個小組。

Totally two different words and meaning!

2008-08-15 10:59:38 補充：
雖然大家都可以解分開,但係含義唔同! Hope this help!