adj.浪费的,效率低的,不节约的;
例句:
Now this time of Yichang to Shanghai by train uneconomical.
现在这个季节上海到宜昌坐火车不合算.
The conclusion is that using gravity retaining wall alone will be comparatively uneconomical.
单纯采用重力式挡土墙是不经济的.
The methods employed are old-fashioned and uneconomical.
采用的方法很老套,没什么效益。