bonanza
/bəʊˈnænzə/noun
1- a situation or event which creates a sudden increase in wealth, good fortune, or profits暴富之源; 幸运：
a natural gas bonanza for Britain
英国富足的天然气资源
as modifier a bonanza year for the computer industry.电脑行业繁荣昌盛的一年。
1.1
- a large amount of something desirable（指理想中的事物）滚滚而来, 产量丰富：
the festive feature film bonanza.
源源不绝的喜庆故事片。
词源
early 19th cent. （originally US, especially with reference to success when mining）： from Spanish, literally 'fair weather, prosperity', from Latin bonus 'good'.