企业对外销售产品时，由于产品经营和品种不符合规定要求，而适当降价，称作（）
A、销售退回句子写作：HeisverybusypreparingIELTS.Hehasnotimetoplay.
Australiaislocatedbetween________andtheIndianOcean.
Directions:TranslatethefollowingparagraphintoChinese.
Cyberspace,ofcourse.isbiggerthanatelephonecall.Itencompassesthemillionsofpersonalcomputersconnectedbymodems-viathetelephonesystem-tocommercialonlineservices,aswellasthemillionsmorewithhigh-speedlinkstolocalareanetworks,officeE-mailsystemsandtheInternet.Itincludestherapidlyexpandingwirelessservices:microwavetowersthatcarrygreatquantitiesofcellularphonesanddatatraffic;communicationssatellitesstrunglikebeadsinthegeosynchronousorbit;low-flyingsatellitesthatwillsooncrisscrosstheglobelikeangrybees,connectingfolkstoofar–flungortoomuchonthegotobetetheredbywires.Somedayevenourtelevisionsetsmaybepartofcyberspace,transformedintointeractive“teleputers-calledfull-servicenetworksliketheonesseveralcable-TV”bysocompanies(includingTimeWarner)arebuildingalongtheoldcablelines,usingfiberopticsandhigh-speedswitches.
He________hispoorjudgment________JetLag.
重写句子：Fossilfuelsarenon-renewable.Weneedtofindalternativeenergysources.(compoundsentence)
