上述在繁荣年份几乎不赚钱的买卖现在已成为发财金矿，因为竞争减小，买卖差价(货币交易商交易中所谋利润)激增。

Such business, barely profitable in the boom years, has become a gold mine as competition has dwindled and bid-ask spreads (the money dealers pocket on trades) have ballooned.

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他生活的唯一目标是赚钱发财。

His only aim in life is to make a fortune.

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玩家打算在世界扑克牌大赛赚钱发财。

Players aim to make their fortune at the World Series of Poker.

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