Students use forums to chat, play games, and solve problems together at no cost, or they can pay a few hundred dollars to take courses with trained teachers.

学生们可以在论坛上聊天、玩游戏、一起解决问题，不需要任何费用，或者他们可以花几百美元参加受过培训的教师的课程。

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Players pay for play time or virtual goods within the games, and the social networks take a cut of the sales.

玩家需要为游戏时间或游戏里的虚拟商品付费，社交网络公司则从销售额中提成。

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This may or may not be linked with other pay for play models.

这种方法可以，也可以不与其他付费游戏模式相联。

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The current reform options provide financial incentives for medium- and large-sized firms to provide health insurance coverage through so-called "pay-or-play" provisions.

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Firms with payrolls or employment levels below a certain threshold, which would include the vast majority of small businesses, would be exempt from the pay-or-play provisions.

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At 1, 018 pages, it's highly ambitious, including many of the expected provisions: a public insurance option, an insurance exchange, expansion of Medicaid and a "pay-or-play" mandate requiring employers to participate or opt out for a fee.

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