高中英语作文：Smart tech makes life simpler
2015-05-20
Mostofushavebeeninthissituation.You’rehalfwaytomeetingyourfriends,thenyousuddenlyaskyourself,DidIremembertoturnthelightsoff?Forthosewithsmarthomes,however,thiswouldn’tbeaproblem.Overthelas...
