wecouldeperiencechangesthroughthefourseasonsofoneyear.springistheseasonsowingseeds.itispregnantwithlifeandgreen.inthesummer,colorfulswimmingsuitsfrolickinthewaterhappily.autumnistheharvestseason,thepayfieldsandtreesarecoveredwithgoldencolor.inthewinter，wecanhavesnowbattle,playinoourheartscontentintheworldofsilverywhite.howfortunatewearebecausewecanliveontheearth!weshouldcherishit,insteadofpollutin...