What's the difference between speak and talk?

所有跟帖： 

• No difference for you, I guess. What do you TALK now? -念親- ♀ (0 bytes) () 12/09/2009 postreply 10:34:40

• brilliant -SMERSH- ♂ (0 bytes) () 12/09/2009 postreply 16:23:49

• Followed answer is not best one -走馬讀人- ♂ (1011 bytes) () 12/09/2009 postreply 10:40:47

• speak is more formal -蒙蒙霧- ♀ (0 bytes) () 12/09/2009 postreply 13:17:00