Global warming is a trend toward warmer conditions around the world.
出自-2014年6月阅读原文
Scientists are in general agreement that the warmer conditions we have been experiencing are at least in part the result of a human-induced global warming trend
出自-2014年6月阅读原文
Parents and students who have invested heavily in higher education worry about graduates' job prospects as technological advances and changes in domestic and global markets transform professions in ways that reduce wages and cut jobs.
出自-2014年6月阅读原文