Lifein21stcentury（世紀）willbedifferentfromthelifeinthe20t...
問題詳情：Lifein21stcentury（世紀）willbedifferentfromthelifeinthe20thcentury,becausemanychangeswilltakeplaceinthecentury,butwhatwillthechangebe? Thepopulation(人口)isgrowingfast.Therewillbemoreandmore...