adj.不节俭的；浪费的；不盈利的；不划算的
=uneconomic.
Miners had to dig deeper to extract coal, which became uneconomical. 为了提高产量，矿工不得不向更深处挖掘，这变得越来越不合算。
I was taken in by the salesman-the car turned out to be uneconomical and unreliable. 推销员欺骗了我——那辆汽车结果既不经济又不牢靠。
