Maintain menu knowledge and attention to detail plate presentation.
维护对细节板材介绍的菜单知识和注意。
Know your audience and prepare your presentation based on that knowledge.
了解你的听众，在此基础上准备你的演讲。
One of the keys to a successful presentation is product knowledge.
成功交流的关键之一就是推销员要了解产品。
One of the keys to a successful presentation is product knowledge.
成功交流的关键之一就是推销员要了解产品。
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