由内港媒体专家深入解析外宣及危机公关的传播要点和应对技巧，并通过模拟场景演练，提升企业媒体管理能力。 for Being not absolutely grammatical, nevertheless the instance is ok with "those" in place of "those/chairs". (Most likely we should distinguish concerning "ones" being a plural indefinite noun in "those" and for a pronoun (so termed) which stands for an entire indefinite NP.) O Expre... https://vodemcasa.com/one-tv-comprar-smart-p2p