While the under-provision of public goods takes its most dramatic form when the public good is "pure", the provision of less-than-pure public goods is also problematic.

当某公共货物是纯善的，公共货物以引人注目的形式呈现出拨备不足时，不纯善的产品的供给也有问题。

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Under the provision, air force officers and soldiers may face punishment including demotion, degradation or dismissal for drinking alcohol at lunch on working days.

该规定强调，凡在工作日午餐违规饮酒者，干部及士官给予降职(级)或者降衔(级)直至撤职处分。

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WHO will prepare a quick start programme with adequate budget provision and begin immediately to implement the elements of the global strategy that fall under its responsibility.

世卫组织将制定一项快速启动方案，提供足够的预算拨款，并立即开始实施由其负责的全球战略工作。

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Our new under-fives provision - Sure Start, nursery places for three and four year-olds, better maternity and paternity support, a massive extension of childcare supported by tax credits - is enabling parents to choose the provision that is best for them and their children, where previously there was often no provision at all.

BBC: NEWS | UK | Politics | Full text: Blair on public services

And while these losses are not subject to the 2% of AGI floor and are deductible in calculating alternative minimum tax, they will be subject to the overall limitation on the itemized deductions of a high-earning taxpayers under the newly-resurrected PEASE provision.

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Under a look-back provision, the stock price is keyed to the offering date or the purchase date, whichever is lower.

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