麻烦问一下，什么叫DMA交易，与high touch agency有什么区别呀
Statement 4 Small currency trades and small exchange-traded derivatives trades are typically implemented using the direct market access (DMA) approach.小单的交易所交易衍生产品和外汇交易通过DMA进行交易。
Statement 5 The high-touch agency approach is typically used to execute large, non-urgent trades in fixed-income and exchange-traded derivatives markets.大单、非紧急的债券和交易所交易的衍生产品通过high-touch交易。
交易所衍生品，大单且非紧急的交易通过电子交易算法进行交易，而不是high-touch agency。因此statement5不正确。
