1ADJ-GRADED [oft ADJ to-infinitive]經濟的;省錢的 Something that is economical does not require a lot of money to operate. For example a car that only uses a small amount of petrol is economical . 經濟的;省錢的
...plans to trade in their car for something smaller and more economical.
Services could be operated more efficiently and economically.
服務的提供可以更加高效、更加節省。
2ADJ-GRADED 不浪費的;節儉的;節約的 Someone who is economical spends money sensibly and does not want to waste it on things that are unnecessary. A way of life that is economical does not need a lot of money. 不浪費的;節儉的;節約的