Switching to video calls proved far more economical than flying the sales team to Tokyo.

改用視訊會議，結果比讓業務團隊飛到東京划算得多。

Our new delivery trucks are economical on fuel, cutting shipping costs by nearly fifteen percent.

我們的新貨車很省油，讓運費降低了將近百分之十五。

The finance department recommended an economical approach to office supplies for the next quarter.

財務部建議下一季在辦公用品上採取節約的做法。