exchange xo付凭证exchangev.交换；兑换n.交换；交易所；兑换；交战exchange transporter交换转移体exchange information互通情报exchange-operation交换操作exchange three tiers三层交换exchange confidences互谈心事exchange restriction外汇限制,限制外汇制,外汇集中管理制exchange text string交换正文字符串exchange traded fund交易所指数基金exchange of evidence证据失权exchange rate parity[经] 外汇平价