玛丽说到，自从20世纪30年代以来，影响本国用水问题的最大因素是当地气温的升高。
Since the 1930s, Mary said, the biggest factors driving up water stress in the state have been rising temperatures.
我们最关心的是那个城市的饮用水问题。
What we concern most is the problem of drinking water in that city.
这种变化将会使其他较小范围已经有了用水问题的农民面临更大的挑战。
That's going to make some of the other, smaller-scale manmade water problems that farmers are already facing much more challenging.
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