We’ve never for a single moment doubted that your products are made of best material.

我们从来也没有怀疑过你们的产品是用最好的材料制成的。

由 doubt 组成的一些名词短语在口语中运用得很广泛。

China’s bristles are, beyond al doubt, of superior quality to those from other sources.

中国猪鬃，毫无疑问，比其他国家的猪鬃品质优良。

If you are in doubt about the marketability of this commodity, we suggest you place a trial order of small quantity.

你对这一商品的销售可能性感到怀疑，没有把握，我们建议你先小量试订一批。

No doubt you are aware that an irrevocable letter of credit gives the exporter the additional protection of the banker’s guaraaaaaaantee.

想必你知道不可撤销信用证还向出口商提供银行保证的保护作用吧。

Our insurance company enjoys international requtation. Make no doubtof it.

我们的保险公司享有国际声誉，这一点不必怀疑。

(2)Not in the least.  一点也不

   口语会话中表示否定时，也不要总是用“No.” 在类似课文的场合下其他表达方法还有：

   Not at all

   Not a bit.

   Certainly not.

   Absolutely not.

4. But as it is, we have had only less than one year of business between us.

但是尽管如此，我们之间的贸易往来也还不到一年。

as it is 这个习语的含义是“就按上面所说的情况而言”， 通常放在句首，偶尔也会放在句子其他部位。

As it is , we have allowed you 4% commission, which is 1% higher than we allow other agents.

就按现在的情况说吧，我们已经给你4%的佣金了，比其他商多出1%。

We have established business relations with more than 100 countries all over the world as it is.

就目前而言，我们已经和世界上100多个国家的商号建立了贸易关系。

We thought business would get better, but as it is, business is getting worse.

我们原以为业务会好转，但以目前情况看，业务更糟了。

5. Mr. Ouyang, I wish you to know that we have wide connections in Australia as well as rich experiences in business.

欧阳先生，我希望你知道我们在澳大利亚的业务关系很广泛，而且业务经验也很丰富。

(1)“有广泛的业务联系”可以有以下表达方法：

  have a wide (large) connection with

  be closely connected with

  do considerable business with

have close contact with

be in close contact with 

(2)as wellas “和”，“以及”

when making the offer, please indicate the quantity available as well as yourearliest time of delivery.

报价时，请说明可供数量及最早交货期。

6. It seems I have to be content with what you say.

看来我只有满足于你所说的话了。

be content后面可以接介词with短语或不定式。

Our clients are not content with the 500 cases you supply,> They want to get more.

我们的客户对你们提供箱并不满足，他们还想再多些。

We hav eto be content to do business with you on the buyers-seller basis.

7. 有关agent, agency的一些专用语如下：

sales agent/selling agent销售代理人

purchasing agent/buying agent采购代理人

exclusive agent/sloe agent独家人

commission agent佣金代理人

advertising agent广告代理人

agency agreement代理协议