An option which provides the right to buy a currency and sell the base currency is a call option. 买方期权是指期权买方有权买进一种货币，卖出另一基准货币。
These customers often use a broker-dealer who directly solicits potential buyers or sellers for the other side of the customers' trades. 这些客户往往雇佣经纪商兼交易人为其业务直接招揽潜在的买方或卖方主顾。
