Arbitrageurs
套汇人
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
But you have to pay 5% commission on this money exchange.
但兑换这笔外币，您得另外付5%的手续费。
That's right. It's harder for them.
说得对。对她们来说更加困难。