商贸英语可以翻译成 "commercial English"，即用于商业交流的英语。这一术语的来源可能是由于英语在商业交流中的广泛使用，因此人们给它起了一个相对应的说法。

下面是一些英文例句：

Can you provide a quote for this commercial order?

Our company specializes in commercial real estate development.

We are offering a discount on commercial quantities of our product.

The commercial department is responsible for sales and marketing.