商业管理   

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This is the VOA Special English Agriculture Report.Aquaponics is the idea of producing vegetables and fish in the same closed system.It combines aquaculture,or fish farming, with hydroponics,a way to ...

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The day after Thanksgiving in America,or what is called "Black Friday," which falls on Nov.25 this year, traditionally marks the unofficial start of the holiday shopping season.What retailers hope wil...

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This is the VOA Special English Agriculture Report.Foreign investment in African land is growing.Countries like China,Saudi Arabia and South Korea are leasing or buying millions of hectares to grow fo...

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American health officials say that anyone flying to the United Stateswill soon need to show proof of a negative test for COVID-19.The new restrictions take effect on January 26.The order from the Cent...

美国卫生官员表示，任何人飞往美国很快都将会需要出示新冠病毒检测呈阴性的证明。这项新的措施将于1月26日生效。美国疾病控制与预防中心下达的这项命令要求航空乘客在航班起飞前的3天内进行新冠病毒检测。如果没有阴性检测证明，航空公司应阻止乘客登机。...

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The U.S. Federal Aviation Administration (FAA)recently said it is issuing long-awaited rulesthat permit small drones to fly at night and over people.Drones, a kind of small aircraft, fly without a pil...

美国联邦航空管理局最近表示，它将发布被期待已久的，允许小型无人机在夜间和人群上空飞行的规定。无人机是一种无需飞行员操纵进行飞行的小型飞机。 美国联邦航空管理局此举是朝着美国使用无人机进行大规模商业运输迈出的重要一步。出于安保和安全考...

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A German restaurant forced to close because of the coronavirus crisisis now helping needy people in Berlin.Hofbraeu Berlin is the capital's largest restaurant and beer place.But it remains closed to t...

一家因冠状病毒危机而被迫关闭的德国餐馆现在正在帮助柏林的贫困人口。柏林霍夫布拉乌是首都最大的餐厅和啤酒场所。但由于旨在减少冠状病毒传播的限制，它仍然不对公众开放。 然而，一名员工提议，这家餐厅可以部分重新开业，以帮助城市无家可归者。柏...

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Air travel companies are permanently changing their older passenger jetsinto airplanes that carry goods for trade.The companies expect a large increase in e-commerce in the future.At the same time, th...

航空旅游公司正在将他们较旧的客机永久改装为货运飞机。这些公司预计未来电子商务将会大幅度增长。与此同时，因为新冠病毒限制措施意味着出行人数减少，二手飞机的价值将会下降。加拿大航空和中国国开行航空只是进行这类改装的一部分公司。结果，将客机改装为...

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This is the VOA Special English Health Report.The journal Science chose an AIDS study as the twenty-eleven "Breakthrough of the Year."The study found that antiretroviral drugs can greatly lower the ri...