[] a place, person or thing that you get sth from 来源;出处◆renewable energy sources 可再生能源◆What is their main source of income? 他们的主要收入来源是甚麽?◆These reports are a very useful source of information. 这些报告是十分有用的消息来源。
[, ]a person, book or document that provides information about sth 提供消息者;消息来源◆According to an industry source (= sb working in the industry) a deal will soon be signed. 根据业内人士透露,将很快签订一份协议。
● at ˈsource () used to show that money is taken from sb's income before they receive it 在源头;一开始◆Income tax is normally deducted at source. 所得税通常在税源上扣除。