be very economical

基本解釋

Instead of heating up the universe, use it yourself, which could be very economical.
不是消耗在環(huán)境中，而是被自己所用，這是非常經(jīng)濟的。
Macao's transportation can be very economical, but you need to spend some times for waiting.
澳門的交通可以很省錢，衹是要花點時間等巴士。
Even if it meant subsidizing the taxis and public systems. It could, very well, be more economical than catering for the ever-increasing number of cars.
即使這意味著要對公共交通以及出租車進行補貼，那也比爲(wèi)了滿足日益增長的汽車數(shù)量而去脩建道路與配套設(shè)施要劃算。

This option can be very economical because charter rates are competitive.
FORBES: What's the Best Jet for You? (Part 2)