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。 being Not absolutely grammatical, nevertheless the example is okay with "those" rather than "those/chairs". (Probably we should distinguish between "types" being a plural indefinite noun in "those" and for a pronoun (so called) which stands for an entire indefinite NP.) O CyberGhost fo... https://vodemcasa.com/one-tv-p2p-custo-beneficio