T/T in advance是啥意思?

T/T in advance是啥意思? 100%T/T in advance for sample 关于 30% T/T advance and 70% against B/L copy 与 Documents的问题30% T/T advance and 70% against B/L copy 与30% T/T advance and 70% against Documents 是同一个意思吗 PAYMENT TERM :30%T/T IN ADVANCE ,THE BALANCE PAID BEF ORE THE SHIPPING DAY 请问这句英文的意思是? T/T in advance 的英文定义是什么? L/C at sight or T/T in advance 30%T/T in advance as deposit,and 70% balance upon delivery.另外后半句是 balance 30 days from b/l date 啥意思? 后TT英语怎么说前T／T不是IN ADVANCE 后T／T怎么说呢 15 Days PDC 15 Days AMS 15 DAYS T/TDeposit In Advance T/T IN ADVANCE C.O.D.T/T Half In Advance 30% deposit in advance15 Days PDC 15 Days AMS15 DAYS T/T Payment with L/C on sight or T/T in advance.L/C和T/T是什么意思.付款方式on sight和in advance能不能提供详细说明. 请问是on advance还是in advance T/T 30% deposit in advance,the balance against BL copy 外贸英语：什么有意思：Payment:40% T/T in advance; and balance exchange B/L 英译汉：our payment term：50%t/t in advance,50% balance payment before load the container T/T 30% in advance.70% balance when see the b/l copy.该怎么做 Advance Payment Security是啥意思呢 in advance的中文意思 Many thanks in advance意思