不唯一
Weallknow:nopains,nogains.Asstudents,weshouldnowtryourbesttolearnallthesubjectswellsothatwecanbewellpreparedforthechallengesinthefuture.
Withtheimprovementofthelivingstandards,manypeoplearenolongerinterestedinthesimplelifestyleandsomeofthemevenfeelashamedtobethrifty.Intheireyes,thriftisalreadyoutofstyle.However,stillotherpeopleinsistthatthriftisagoodvirtue,becauseournaturalresourcesarelimitedandsomeofthemevenareonthedecline.
Theproblemofairpollutionbecomesevenmoreserious.Sonowadaysweadvocatetoleadalow-carbonlife.Mysuggestionisweshouldridebikesmoreofteninsteadofdrivingcars.Byridingabike,wecannotonlyexerciseourbodybutalsoprotectourenvironment.
Thereisnodoubtthatwordsareagoodwaytoexpressourgratitude.However,thereissomethingelsethatwecandotothankthosewhohavegivenusahand.Asthesayinggoes,actionspeakslouderthanwords.Wemaythankothersinactions,suchashelpingtheminreturn,ratherthanonlyinwords.