Whatarethebiggestproblemsthatsocietywillhavetodealwi...
問題詳情： Whatarethebiggestproblemsthatsocietywillhavetodealwithinthenewage?TherearediseaseslikeAIDSandcancer.There’sclimatechange,ofcourse.Andwhataboutproducingenoughcheapfoodandenergyfortheworl...