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。

youdao

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。

youdao

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。

youdao

All of this assumes that "play or pay" even flies with regulators, of course.

FORBES: The Future Of Universal Health Care

In addition to the surtax, business groups oppose a public insurance option and an employer "play-or-pay" mandate for all but the smallest employers, under which businesses that don't provide health insurance for their workers would pay a penalty to the government.

FORBES: Magazine Article

In turn, the argument goes, money managers feel pressure to pay to play, or give kickbacks of various forms in return for recommendations to pension trustees.

FORBES: U.S. Institute Senior Delegates�� Roundtable Speech (June 7, 2004 )