adv.节约地;节省地;经济地;在经济上;
例句:
The country was headed on the wrong track, economically.
该国在经济上走错了路线。
The scheme is economically viable.
这个计划从经济效益来看是可行的.
A tunnel was not considered economically feasible.
从经济上考虑,用隧道并不可行.