if you want to book a round trip ticket,you'll have to pay more/other/the other/another 30 yuan选择哪个?原因/

问题描述:

if you want to book a round trip ticket,you'll have to pay more/other/the other/another 30 yuan选择哪个?原因/

another
你已经付款了,喊你‘另外’再付30元.