The letter at Counter 6 will pay you against your number slip.
六号柜台的出纳员将根据你的号码牌付给你钱。
2
In this letter the writer expresses hie regret for being unable to satisfy the counter-offer. In writing such kind of letters, you should give the reasons.
在这封信中作者对不能满足要求表示遗憾，写这类信一定要讲明原因。
3
This letter is about a counter-offer, asking for easier payment terms, e. g. cash against documents on arrival of goods instead of by confirmed, irrevocable letter of credit.