The volume of initial public offerings has fallen by more than half since last year.

从去年开始，首次公开发行上市的交易量降低了50%以上。

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Someone cranked up the volume of the public address system.

有人调大了公共广播系统的音量。

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Someone cranked up the volume of the public address system.

有人调大了公共广播系统的音量。

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