英语翻译BY the mid-1980s Americans had found themselves at a loss ove_英语解答

英语翻译
BY the mid-1980s Americans had found themselves at a loss over their fading industrial competitiveness.这句话怎么翻译?其中的over

人气：324 ℃　时间：2020-04-15 20:54:03

解答

截止到20世纪八十年代中期,美国人发现自己在日渐衰退的工业竞争力（问题）上不知所措.
over在此作在……之上之意.