The impacts of that tug-of-war on the climate system could be devilishly difficult to untangle. 气候系统的这种拉锯战的冲击影响可能是极难理清解决的。
I concluded that something new to the natural workings of the climate system must have been operating during the past several thousand years. 我的结论是，过去数千年间，对于气候系统的自然运作来说，某种前所未有的事件已经起了作用。
