A . “汇款最高金额是多少？”译成英文是：What's the maximum amount for the remittance？
B . “每笔交易5万元。”译成英文是：50,000 yuan for each transaction.
C . “汇款的手续费是多少？”译成英文是：What's the remittance fee？
D . “一般是汇款金额的1%，每笔汇款最低汇费为2元，最高汇费为50元。”译成英文是：1% of the amount you are going to send. The lowest fee is 2 yuan, and the highest is 50 yuan.