If this kind of standalone sentence inside of a "Appropriate the sentences" work out is made up of "so", that's what has to be altered/corrected. This type of standalone sentence with "so" Seems 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。... https://charlesr370jqx3.p2blogs.com/profile