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Wall Street Update

MON 14 DEC 2015

A volatile¹ day of trading on Wall Street - we find out what was moving the markets.

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1 volatile
adj.反复无常的，挥发性的，稍纵即逝的，脾气火爆的；n.挥发性物质
参考例句：
With the markets being so volatile,investments are at great risk.由于市场那么变化不定，投资冒着很大的风险。 His character was weak and volatile.他这个人意志薄弱，喜怒无常。