Then, in 1992, the cod population of the Grand Banks suddenly collapsed, throwing 40,000 people out of work.

后来，92年时，大浅滩的鳕鱼数量突然下降，使4万人丢掉了工作。

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Nobody agrees why the Mayans' astonishingly advanced civilisation suddenly collapsed between 750 and 850.

玛雅人有着惊人发达的文明，至于它在公元750至850年间为什么瓦解，人们还没达成共识。

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WASHINGTON: a chunk of Antarctic ice seven times the size of Manhattan Island has suddenly collapsed, putting an even greater portion of glacial ice at risk, according to scientists.

华盛顿：科学家声称，一块面积约是曼哈顿岛7倍大小的南极冰川突然崩塌，并将致使其他更为巨大的冰川处于危险状态。

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History is littered with once-dominant institutions that were imperceptibly hollowed out and then suddenly collapsed.

ECONOMIST: Political parties: Lonely at the top | The

The illusion of stability was shattered in April last year when Nissan Mutual Life Insurance Co. suddenly collapsed.

FORBES: Here come the gaijin

An 18-person crew had been working on the Interstate 35W span when it suddenly collapsed during the evening rush hour.

NPR: Officials Warn of Possible Flaw in Nation's Bridges