adj.& adv.<古>不容易的(地),困难的(地)
Even the successful flying boats proved, in the end, uneconomical.
即使是成功的水上飞机最终也未能盈利。
The methods employed are old-fashioned and uneconomical.
采用的方法很老套,没什么效益。
It would be uneconomical to send a brand new tape.
寄一盘新磁带过去不合算。