thriftiness

基本解释

He has another, more novel theory to explain young people’s thriftiness.
他还有其他更多理论来解释年轻人的节俭。
Check out the Power Hog , an adorably pig-shaped power monitor that introduces kids to energy efficiency (and general thriftiness) by piggybacking upon the familiar format of the piggy bank.
不妨看看这个小猪型的电力监测器，它用以往储蓄罐这种熟悉的形象来告诉你的孩子如何提高能源效率（和节俭）。
My father often said it was only the hardheaded thriftiness of my grandmother that kept the wolf at bay.
父亲常说若不是祖母精明能干，克勤克俭，一家人非挨饿不可。

An unintended consequence of this thriftiness is that economists are not equipped to understand the behavior of highly-indebted people.
FORBES: Government And People Are Both Spendthrifts With Credit Cards
But the June drop suggests that absent government stimulus money, the American consumer really can't save much more and that the rise in savings rates might be less a sign of a new thriftiness than it is a short-term tendency to hoard anything extra that comes in.
FORBES: Magazine Article