Second, inflows of new workers bring substantial benefits as well as losses: in France, which suffers a shortage of some 6,000 plumbers, there must be plenty of households that would be pleased to find someone qualified to do repair work.
其次，新工人的涌入带来了与损失同样巨大的好处：在法国这样一个水电工短缺6,000人的地方，一定有许多家庭很高兴找到合格的水电工来做维修的活儿。