慢速英语:The Future of Shopping: 3D Printing and Augmented Reality

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1. demonstrate vt.论证; 证明，证实; 显示
例句：The study also demonstrated a direct link between obesity and mortality
该研究还表明了肥胖症和死亡率之间存在直接的联系。

2. individual adj.个人的; 个别的; 独特的
例句：They wait for the group to decide rather than making individual decisions
他们等待团体作决定而不是各自作出决定。

3. include vt.包括; 包含; 计入; 包住
例句：A good British breakfast always includes sausages
一顿丰盛的英式早餐总会包括香肠。

4. operate vt.操作; 经营; 运转; 管理
例句：The doctors decided to operate on the patient once.
医生们决定立刻动手术。