That's for the first installment.
这是分期付款的第一笔。
The first installment has been completed, the second one is in progress.
该项目第一期已经完成,第二期还在完善中。
The first installment shall be paid upon registration and acceptance by the school.
首期学费必须在报名时立即缴付。
The first installment shall be paid upon registration and acceptance by the school.
首期学费必须在报名时立即缴付。
应用推荐