英语语法分析

The snag is that unprofitable companies, which should have been squeezed out by competition, have remained alive because it is so hard to fire workers.

问题在于，那些本应被竞争挤出市场的无利可图的公司，却因为裁员如此之难而存活了下来。

An unprofitable disease?

一种无利可图的疾病？

Almost every product line is unprofitable.

几乎每一个产品线都是亏损的。