I'm sorry. For these large orders, we insist on payment by L C.
對不起。對于這樣金額大的訂單,我們堅持用信用證支付。
In the same way, a Russian might fail to see anything amusing in a joke witch would make an Englishman laugh to tears.
同樣的道理,一則可以令英國人笑出淚來的笑話,俄國人聽了可能覺得沒有什么可笑之處。