The transaction is completed by paymentof the fee.
交易在支付费用之后就完成了。
《柯林斯英汉双解大词典》
2
Entry is only allowed on paymentof the full registration fee.
缴付全数登记费用方可进入。
《牛津词典》
3
Normally such papers are handed to "black children", as offspring like Mr Yang's are commonly known, only on paymentof a huge fine (or fee, as officials say).