- 问题详情:StudentsatNorthwestMissouriStateUniversityhavestartedspringtermclasses,butmanyaren’tcarryingthicktextbooks.Instead,moststudentsarecarryingalightweightelectronictoolthatcanfitintoacoatpocketwhichholdsthetextbookmaterialforalltheirclasses.Somestud...
- 20458