基本解释滙率變化同根派生 exchang-rate相关词英汉例句Businessmen can helpfully describe the effects of interest or exchange rates on their own business, but that defines the limit of what they can knowledgeably say.商人不妨描述利率或者滙率變化對自己的企業有何影響，但他們所能說的也僅此而已。exchang-rate更多例句