Although scientists have done a lot of thinking about global warming, they are just beginning to grapple with the problem of how global warming and solar dimming interact.

• 尽管科学家们就全球变暖问题作出了很多思考，但是对地球变暖和太阳光照变弱这两方面怎样发生相互作用的问题的研究才刚刚开始。