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