fiduciary  

信托的

【例】A commercial bank cannot offer the fiduciary services that a trust company can.

商业银行不能提供信托公司所经营的信托业务。

field 

范围，活动领域

①【例】The articles mentioned by you fall within the field [scope, sphere] of our business.

贵方所提及的商品，在我公司经营范围之内。

②可用作定语。

【例】We must have field investigations in our market research work.

在市场调研工作中，我们必须做实地考察。

fight 

奋斗，斗争

【例】We were fighting with shipping problems for which we still need your help.

过去我们一直为解决装运问题而努力，此问题仍需你们的帮助。