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 thoroughly grammatical, nevertheless the example is okay with "These" instead of "those/chairs". (Most likely we must always distinguish involving "ones" as a plural indefinite noun in "the ones" and to be a pronoun (so identified as) which means an entire indefinite NP.)... https://vodemcasa.com/one-tv-recargas-p2p