（修改病句）The steel company has been losing money because its management is inefficient, high labor costs, and international competition is fierce.

（修改病句）The steel company has been losing money because its management is inefficient, high labor costs, and international competition is fierce.

The steel company has been losing money because its management is inefficient,labor costs are high,and international competition is fierce.// The steel company has been losing money because of its inefficient management,high labor costs, and fierce international competition.