economically
词形变化：
同义词：
thrifty | sparing | frugal | parsimonious | cost-effective | efficient | saving | economizing | budget | low-cost | scrimping | penny-wise | provident | economy | high-yield | low-budget | chary | prudent | careful | cautious | inexpensive | cheap | reasonable | economic | scotch | stinting |
反义词：
luxurious | uneconomical | extravagant |