over the counter (otc) meaning in English

非处方药
柜台市场

The foreign exchange market is over the counter ( otc ) or interbank market because foreign currency is traded through phone or electronic trading net in fact , the trading of foreign currency does not like stock trade , it is not intensive trading in exchange center
外汇交易市场是一个超柜台( otc )或“银行内部”交易市场，因为事实上外汇交易是交易双方通过电话或者一个电子交易网络而达成的，外汇交易不象股票和期货交易市场那样，不是集中在某一个交易所里进行的。