Economy the poor man's mints; extravagance the rich man's pitfall.是什么意思？

Economy the poor man's mints; extravagance the rich man's pitfall.

节约是穷人的造币厂, 浪费是富人的陷阱.

economy

n. 节约，经济，理财，秩序；

例句
...an economy capable of absorbing thousands of immigrants.
能够吸纳数千移民的经济实体

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

poor

adj. 贫穷的，贫乏的，令人怜悯的，可怜的，匮乏的，低劣的；n. the poor 贫困者，穷人；

例句
I suppose the shock had addled his poor old brain.
我估摸这个打击已经把他那可怜的脑袋瓜搞糊涂了。

mints

n. 薄荷( mint的名词复数 )，铸币厂，薄荷糖，巨额（的钱）；

例句
Taxes were regularized, tariffs lifted, private mints abolished and the debased currency restored.
税收调整了, 关税提高了, 私人造币厂废除了,贬值货币恢复了.

extravagance

n. 奢侈，挥霍，奢侈品，过分（的事情），放纵的言

例句
When the company went under, tales of his extravagance surged through the industry.
公司破产后，有关他铺张浪费的种种传闻传遍了整个行业。

rich

adj. 富有的，肥沃的，丰富多彩的，油腻的；

例句
I married above myself — rich county people...
我高攀了一门亲事，是县里的富有人家。

pitfall

n. 陷阱，圈套，诱惑；

例句
The pitfall is that the results will be difficult to interpret.
困难在于试验的结果将是难以解释的.