If this kind of standalone sentence in a very "Appropriate the sentences" exercising has "so", that's what really should be transformed/corrected. Such a standalone sentence with "so" Appears incomplete. vivo手机主要的特点是外观时尚，音质也不错，因为明星代言的营销策略，主要还是在年轻群体中有很大市场，定价处于中端水平。值得一说的是，vivo旗下还有主打游戏性能的iQOO系列，市场反馈良好。 En... https://neilj047ahn9.mdkblog.com/profile