a situation in which people can make a lot of money or be very successful 发财（或成功）的机遇 a cash bonanza for investors 投资者的赚钱机会 a bonanza year for the computer industry 计算机业兴旺发达的一年
a situation where there is a large amount of something pleasant 兴盛；繁荣 the usual bonanza of sport in the summer 夏季总有许多好看的赛事
Word Originearly 19th cent. (originally US, especially with reference to success when mining): from Spanish, literally ‘fair weather, prosperity’, from Latin bonus ‘good’.