new polling have Republicans increasingly nervous that they are at risk of losing the presidency 共和黨4年前在 Swing States的民調，輸得更慘。

有評論者說， 共和黨4年前在 Swing States的民調，輸得更慘。

U.S. presidential campaign: President Trump’s erratic handling of the coronavirus outbreak, the worsening economy and new polling have Republicans increasingly nervous that they are at risk of losing the presidency and the Senate in November if Mr. Trump does not put the nation on a radically improved course.