While the House bill would immediately bar private insurance companies from denying coverage or raising insurance premiums based on age or gender, the Senate would wait until 2014 for this to take effect, except for children who would be covered immediately.

VOA: standard.2009.12.25

So if you think of the effect of technology on the different populations, the young-age and the adult-age learners.

所以在思考技术对,不同人群的影响时，要想到青年和成年学者。

麻省理工公开课 - 媒体、教育、市场课程节选

So if you think of the effect of technology on the different populations, the young-age and the adult-age learners.

所以在思考技术对,不同人群的影响时，要想到青年和成年学者。

麻省理工公开课 - 媒体、教育、市场课程节选