英语 ⇄ 俄语 +

sources familiar with the matter 强调
一般	осведомлённые источники (okedition.org nerdie)
source familiar with the matter
一般	источник, знакомый с вопросом (dimock)
新闻风格	источник, знакомый с ситуацией (The CIA and other spy agencies gathered intelligence on Rudy Giuliani's dealings with alleged Russian intelligence agents last year and passed that information on to the White House, a source familiar with the matter told NBC News. nbcnews.com dimock)