【单选题】We all believe that it would be hard for him to______extra responsibilities now.
【判断题】Unique Selling Proposition缩写为USP,其中文含义是独特的销售主张。
【单选题】Holonyak believed that his students that were working with him on the project would get the Lemelson MIT Prize sooner or later.
【简答题】处方药销售中的独特的销售主张的缩写是( )。