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Whatarethebiggestproblemsthatsocietywillhavetodealwi...
问题详情: Whatarethebiggestproblemsthatsocietywillhavetodealwithinthenewage?TherearediseaseslikeAIDSandcancer.There’sclimatechange,ofcourse.Andwhataboutproducingenoughcheapfoodandenergyfortheworl...