![I'musuallyfairlyskepticalaboutanyresearchthatconcludest...]( "I'musuallyfairlyskepticalaboutanyresearchthatconcludest...")
- 問題詳情：I'musuallyfairlyskepticalaboutanyresearchthatconcludesthatpeopleareeitherhappierorunhappierormoreorlesscertainofthemselvesthantheywere50yearsago.Whileanyofthesestatementsmightbetrue,theyarepracticallyimpossibletoprovescientifically.Still,Iwa...
- 11427
中文谷