In2030,Ifoundnooil,thenaddtheoil.

　　Ontheroad,thecarIfoundthatthenoiseisveryharsh,peopleupset,andemissionsfrompollutingtheenvironment.Togotowork,Ialsofoundthatthepaperusedtowriteverysoft,easytocutthroughthewriting.

　　Afterreturninghome,Ibegantostudythreethings:thatsolarsilencer-scalesolar-fueltable,solar-tablesoftandhard.Thereisonlyoneoftheirwatchessomuch,allthreefunctionstogether,theabovesevenkey;arethetwotop-fuelandfuel,nothingcanrefuel,pluscarengineoil,pluswatches,electronics,canincreasestrength;Holeinthemiddleofthetwoisnoiseandnoise,plusahole,youjustclickthemutebuttononthewaterfromaholeinthesmoketocome,thiswastospraywater,itwillsound,nocarnoise,Voicelesspeople,willnothaveacameranoise;thefollowingthreetypesofsoftandhard,softandhardchoicesandthelaunchoflight,thelightwassuchthatnomatterwhatthechangewillbehardorsoft,becomearockassoftasbread,paperWillbehard,nomatterhowsmallyoucannotcutacrossit,butalsotowrite,itislight.Thesethreethingsinaconvenientandaffordable.