used euphemistically to describe a person or statement that lies or deliberately withholds information(婉)（人或陳述）很少提供實情的，謊話連篇的
柯林斯高階英漢雙解學習詞典釋義
ADJ-GRADED
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 .
例句
...plans to trade in their car for something smaller and more economical...把他們的車折價貼換成更小、更經濟型車的計劃It is more economical to wash a full load.滿缸洗衣更經濟。
ADJ-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.
例句
...ideas for economical housekeeping.勤儉持家的觀念
ADJ-GRADED
高效的；簡練的
Economical means using the minimum amount of time, effort, or language that is necessary.
例句
His gestures were economical, his words generally mild.他的肢體語言極盡簡化，措詞總體溫和。
英英詞典釋義
Adjective
1. using the minimum of time or resources necessary for effectiveness;
"an economic use of home heating oil""a modern economical heating system""an economical use of her time"
2. of or relating to an economy, the system of production and management of material wealth;
"economic growth""aspects of social, political, and economical life"
3. avoiding waste;
"an economical meal""an economical shopper""a frugal farmer""a frugal lunch""a sparing father and a spending son""sparing in their use of heat and light""stinting in bestowing gifts""thrifty because they remember the great Depression""`scotch' is used only informally"