For instance, a crack in the branch of a tree will not lead to the felling of the tree in the same way that a broken ankle will not lead to collapse of the whole leg.

例如，树枝一处断裂不会导致整棵树的倒地，同样，脚踝扭伤不会废掉整条腿。

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That's the problem lawmakers are wrestling with amid hearings and federal investigations of the Upper Big Branch mine blast in West Virginia and the BP oil rig collapse in the Gulf of Mexico.

在西弗吉尼亚州煤矿爆炸和英国石油公司在墨西哥湾的钻井平台漏油事故的听证会和联邦调查中，这就是国会议员们正在努力解决的问题。

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The 2010 mine explosion and collapse at the Upper Big Branch Mine in West Virginia that killed 29 miners played a role in the slowdown.

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The move comes after the collapse of a product marketed by an employee of a branch at Huaxia Bank Co.

WSJ: China Tightens Regulations on Wealth Management