1. Twenty years of global negotiations aimed at slowing the growth of heat-trapping emissions have yielded little progress. However, 2014 saw signs of large-scale political mobilization on the issue, as more than 300,000 people marched in New York City in September, and tens of thousands more took to the streets in other cities around the world.
2. Employment is the foundation of economic development. It creates wealth and it is the major source of household income.
3. 这是伦敦商学院(London Business School)和哥伦比亚商学院(Columbia Business School)合办的EMBA-Global项目首次跌出前5名。