Negative colleagues can be a real drag in the office. Not only can they hurt productivity and morale, their attitudes are contagious.
원문출처 : https://www.cnn.com/2019/08/20/success/fix-bad-attitude-at-work/index.html
원문출처 : https://www.cnn.com/2019/08/20/success/fix-bad-attitude-at-work/index.html