Ordering a taxi 预订出租 Say where to 告诉对方去何地
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Receiving a visitor to your office 接待来宾 Social 社交
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
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