erect和establish有什么区别?

erect和establish有什么区别? erect build establish set up 区别? set up；establish；和build都有建立的意思,它们有什么区别呢?用法有何不同 establish, build,construct,sruct 什么区别? establish institute区别 establish,substantiate 都有"证实"之意,怎么区别? establish与build的区别 establish found.establish.set up.build的区别 form与establish的用法与区别 set up ,build construct establish 区别是 和有什么区别?