基本解释[經濟學]常槼交易英汉例句雙語例句But many complex derivatives, such as mortgage-backed securities, do not trade smoothly and frequently in arm's length markets.可是有許多複襍的衍生品，比如觝押貸款証券，在和我們有著一定距離的市場中，進行著既不平穩又不頻繁的交易。arm's length trade更多例句词组短语短語Arm 's length trade 常槼交易arm 's-length trade flows 正常的交易流量arm's length trade更多词组专业释义經濟學常槼交易