explain与mean的区别快

explain
　　▶ verb
　　a technician explained the procedure: DESCRIBE, give an explanation of, make clear/intelligible, spell out, put into words; elucidate, expound, explicate, clarify, throw light on; gloss, interpret.
　　nothing could explain his new-found wealth: ACCOUNT FOR, give an explanation for, give a reason for; justify, give a justification for, give an excuse for, vindicate, legitimize.

　　mean1
　　■ verb (past and past participle meant)
　　intend to convey or refer to. ▶(of a word) have as its signification in the same language or its equivalent in another language. ▶(mean something to) be of a specified degree of importance to.
　　intend to occur or be the case. ▶(be meant to do something) be supposed to do something. ▶(often be meant for) design or destine for a particular purpose. ▶(mean something by) have as a motive or excuse in explanation.
　　have as a consequence or result.

　　m