改进题：We take the liberty of writing to you with a view of building up business relations with your firm.

译文：我们来信，为了能与贵公司建立业务关系。

改进题：We take the liberty of writing to you with a view of building up business relations with your firm.

译文：我们来信，为了能与贵公司建立业务关系。

改进的译文：我们冒昧来信，期望能与贵公司建立业务关系。