Sure "it" can be used in all of those constructions and Some others, but soem of your illustrations could use changes.具体选择在哪个平台购买，个人觉得电商三巨头都挺好的，购机时可以适当对比一下价格再考虑。如果搞不懂新机、准新机和二手机的区别，也搞不懂很多弯弯绕绕的，可以直�