争论zhēng lùn
to argue, to debate, to contend交换jiāo huàn
to exchange, to swap, to switch (telecom)交际jiāo jì
communication, social intercourse传播chuán bō
to disseminate, to propagate传递chuán dì
to transmit, to pass on to sb else信息xìn xī
information, news, message公布gōng bù
to announce, to make public协调xié tiáo
to coordinate, to harmonize