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Ordering more stationary A: Okay, then, Mary. We need 10 more loose-leaf binders, five pounds of heavy duty white paper, and what else did I say? B: Two boxes of transparencies for the over-head machines. A: Right. And Id like one of those new electr
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We dream to keep our brains working. 我们为了保证大脑运转而做梦。 The continual activation theory proposes that 持续激活理论提出， your dreams result from your brain's need to constantly consolidate and create long-term memorie
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Students at the Dalian Nationalities University in China have designed a bike washing machine that will wash your clothes while you pedal. The invention is aptly called Bike Washing Machine or BiWa, and it aims to bring health and convenience to our
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