anonymous news sources的用法和樣例：
例句
- It was difficult to follow a Woodward-Bernstein story because the reporters often relied on anonymous sources.
要跟進伍華德和柏恩斯坦所寫的新聞很困難，因為他們依賴的往往是匿名消息來源。 - At the moment, GM is only considering the option, according to anonymous sources, with nothing set in concrete yet, Reuters reports.
目前，通用汽車是唯一考慮的選擇，根據匿名消息來源，沒有確定具體然而，路透社報道。
