我一个澳大利亚客户要我们寄样品
我们要求他到付
客人给我回信说
Dhl and Fedx here they both quote me around $100.00AUD. to bring the samples over here.
My only alternative is to either tt or western union transfer to you.
Please advise if acceptable to you.
请问客人第二句话怎么理解?尤其是 western union 是什么?