It is ell known, for example, that Newton solved many of his toughest problems when his attention was waylaid by private musings.

例如，众所周知，牛顿在其注意力被个人深思打断时解决了许多棘手的难题。

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Many of the problems now stem from private banking.

现在私营银行暴露出了许多问题。

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"The immediate impact of the financial crisis has been on the private sector, but before the year is out, we will likely see many countries run into fiscal problems," Timmer warned.

蒂莫警告说：“金融危机的直接影响一直在私营部门，但到年底前，我们就会看到许多国家出现财政问题。”

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Yet many procedural problems remain for private investors in infrastructure.

ECONOMIST: India looks east

The regulator said home care providers, many of which are private companies, needed to work closely with local authorities to remedy the problems.

BBC: Elderly 'suffer from poor home care'

The problems with private charity for all with government aid for none are so many, that it is hard to know where to start.

FORBES: No Mitt Romney, Private Charity Is Not Enough