产品的知识和口碑宣传途径的翻译：Product knowledge and Word of mouth publicity 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Product knowledge and word of mouth publicity means

Product knowledge and Word of mouth publicity

Product knowledge and oral traditions propaganda way

product knowledge and word-of-mouth publicity channels

Product knowledge and Word of mouth publicity