所以，当工人和中层经理离开这些公司的时候，他们带走的不仅是许多重要的信息，而且通常也带走了他们公司的心脏和灵魂，从而对美国的竞争力产生深远的影响。
So, as workers and middle managers have been departing these companies, they have taken with them not only much critical information, but often also the hearts and souls of their enterprises, with profound effects on American competitiveness.