Methods: Multi-segmental fenestration in the treatment of degenerative lumbar disc herniation 60 cases, with an average follow-up of 1 year and 6 months.

方法：应用多节段开窗法治疗退变性腰椎间盘突出症患者60例，平均随访1年零6个月。

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Although under America's anti-bribery law the penalties can be fearsome (multi-million-dollar fines and jail terms), only one case a year on average has actually been prosecuted.

ECONOMIST: A global war against bribery

Bond yields are signaling significant turbulence is ahead, yet stocks in the U.S. are on average down a little over 6% from multi-year highs.

FORBES: Advisor Loses Sleep Over Bond Market; Thinks You Should Too