请求分析下列句子的语法,并翻译一下,详细点的,谢谢1.manypeopleareusedtochangingtheircellphonesfornewonesoncetherearenewmodelslaunchedinthemarketeventhoughtheiroldphonescanstillbeused.2.itisawasteof

　　请求分析下列句子的语法,并翻译一下,详细点的,谢谢

　　1.manypeopleareusedtochangingtheircellphonesfornewonesoncetherearenewmodelslaunchedinthemarketeventhoughtheiroldphonescanstillbeused.

　　2.itisawasteofmoneytodosobecauseitisnotnecessarytobuyanewmodelwhichhasonlynewfunctionsyouwillneveruse.

　　3.thenewswasthatRussiahadsolvedthehostagecrisis.

　　thenewsthatRussiahadsolvedthehostagecrisis.分析下两句子的区别