exchange 和 substitute区别exchange A for Bsubstitute A for B

exchange for 和 exchange off 的区别exchange of exchange student 和exchange program的 译文 exchange exchange Exchange exchange和switch的分别? change 和 exchange 的区别 in exchange of和in exchange for有何区别? 请问 venture exchange 和 stock exchange 有很么区别啊? exchange idea with和exchange sth with sb 造句 change和exchange的区别例：I'll exchange the dollars ____ pounds.(change/exchange) currency rate和exchange rate的区别 swap和exchange有什么区别? exchange和in place of什么区别 first of exchange being unpaid 和second of exchange being unpaid exchange with 和 exchange for 这两个一样吗,求各一个例句谢谢 exchange to和exchange for有什么区别后面加人还是加物?用法? exchange 和 substitute区别exchange A for Bsubstitute A for B