1. We shall not consider appointing you as our sole agent until your sales records justify our doing so.

待贵方的销售成绩足以表明可以担当独家代理时，我方才会考虑此事。

2. We shall appreciate your giving us particulars as to your standing and reliability for our reference.

恳请贵方提供资信和信用等方面的详细情况，以便我方参考。

3. At this initial stage of our cooperation, both of us should work hard in order to earn more profit.

在合作初期，双方应该努力工作以赚取更多利润。

4. The change in market situation cannot justify your excuse for your non-fulfillment of the contract.

市场变化不能作为贵方不履行合同的借口。

5. We cannot give you exclusive agency of the whole European market without having the slightest idea of your possible annual marketing turnover.

在完全不了解贵方潜在的年销售额的情况下，我方无法授予贵方整个欧洲市场的独家代理权。