核心畫面
Picture a small car that goes a whole week on one tank, or a cook who uses the stalks and the leaves and throws almost nothing away. Something economical can be thought of as giving you what you wanted while quietly spending less of whatever is limited — money, fuel, time, space. The word is not about being poor or cheap; it is about a good ratio: much result, little used up.
可以想成一台小車，一箱油可以跑一整個星期；或是一個廚師，連菜梗和葉子都用上，幾乎沒有東西被丟掉。economical…更多收起
可以想成一台小車，一箱油可以跑一整個星期；或是一個廚師，連菜梗和葉子都用上，幾乎沒有東西被丟掉。economical 就像是在說：想要的結果拿到了，但過程中悄悄少花了那些有限的東西——錢、油、時間、空間。它不是「窮」或「便宜貨」的意思，重點在於划算的比例：花得少，得到的不少。原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
economicaladj/ˌiː.kəˈnɒm.ɪ.kəl/
- 1
Careful with money so as not to spend too much; prudent; thrifty.
- He was an economical person by nature.
- 2
Saving money or resources.
- The new, eco-friendly bicycle was an economical purchase.
- Regular freight trains between Abergavenny and Merthyr were withdrawn on November 24, 1954, because it was found both practicable and more economical to send this traffic by less severely-graded routes.
- 3
datedRelating to economy in any other sense.
- In economical science, value and the power of producing value are taken into consideration.
- By Use, then, in the sense given it by the Say-Hermann school, we have to think of an objective useful element which proceeds from goods, and acquires independent economical existence as well as independent economical value.
- 4
ball-gamescricketgamesHaving a low economy rate.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。