source

1. N-COUNT The source of something is the person, place, or thing which you get it from. 来源

...over 40 percent of adults use television as their major source of information about the arts. …超过40%的成年人利用电视作为他们了解艺术信息的主要来源。

Renewable sources of energy must be used. 可再生的能源必须利用。

2. V-T In business, if a person or firm sources a product or a raw material, they find someone who will supply it. 寻找…的来源[商业]

Together they travel the world, sourcing clothes for the small, privately owned company. 他们一起环游世界，为那家小私营公司寻找服装货源。

3. N-COUNT A source is a person or book that provides information for a news story or for a piece of research. 消息来源

Military sources say the boat was heading south at high speed. 军方的消息来源说船正向南方快速驶去。

4. N-COUNT The source of a difficulty is its cause. 根源

This gave me a clue as to the source of the problem. 这给了我一个关于问题根源的线索。

5. N-COUNT The source of a river or stream is the place where it begins. 源头

...the source of the Tiber. …台伯河的源头。