在数据管理技术发展过程中，文件系统与数据库系统的主要区别是数据库系 统具有
A、特定的数据模型A
暂无解析
Whatwegiveyouisagoodprice.Wedon’tthinkitcouldbeputanybetter.Takeitorleaveit,it’suptoyou.
Thereissomanyrichpeopleinyourarea,tothemahighpricemeansagoodqualityproduct.
Ourhopeistoestablishmutuallybeneficialtradingrelationsbetweenus.
InourletterofMay5,wemade__________clearthatshipmentistobeeffectedinJune.
Doyoueverfeeloverworked?(Why?/Whynot?)
