在文件中，“industry sources”可根据其具体语境，在保证准确且可理解的前提下，译为“业内人士或行业内部消息”，以使译文通顺且地道，增强其可读性。

例句1

Team heard of this opportunity from our industry sources. We actively approached Houlian Loukey to get into the process. The first round bid is due on November 22nd. 

投资团队从业内人士处了解到该消息。我方积极联系Houlian Loukey，以便参与该项竞标。第一轮竞标将于11月22日举行。 

例句2

According to industry sources quoted in the article, application fraud is rife, and the image of China and Chinese student applicants has suffered.

报道援引行业内部消息称，当下留学申请欺诈盛行，中国的国家形象及中国申请学生都深受其害。