real trade-weighted exchange 具体怎么计算的?

real trade-weighted exchange 具体怎么计算的? equilibrium real exchange exchange bargain trade business辨析 英语几个词语的区别~bargain exchange trade这三个词有什么区别? 英语翻译trade surplusforeign exchange reservesexpand tradeproduc trade与exchange到底有何区别? exchange和change和trade区别? 【关于微观经济exchange & trade、懂英语进】 关于实际汇率real exchange rate 中文意思：Trade,exchange rates,budget balances and interest rates exchange for trade for 两个用法一样吗,求例句 Exchange rate exposure怎么解释 这里的exposure怎么讲