While some 13 million Americans are out of work these days, those still with jobs might have a strange new thing to worry about--getting a promotion can be bad for you, a new study suggests。
虽然大约有1300万的美国人现在没有工作，不过那些有工作的人现在可能要去担心一件奇怪的事情：根据一项新的研究显示，升职可能对你有害。
