At the start of the 2020 election cycle -- way back in December 2018 -- the conventional wisdom was that while Democrats might be able to retake the Senate majority, it was a long shot.
원문출처 : https://www.cnn.com/2020/08/12/politics/2020-senate-control-democrats-gop/index.html
원문출처 : https://www.cnn.com/2020/08/12/politics/2020-senate-control-democrats-gop/index.html