Receiving a visitor to your office 接待来宾 Social 社交
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Giving instructions 讲授 Telling your audience that they can ask questions 请听众提问
Making a formal presentation 正式演讲 Looking at a subject in more detail 细说主题
Starting a product presentation 推介产品 Product Range 系列产品
Receiving a visitor to your office 接待来宾 The visit 参观访问
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