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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm
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unearned premium 未满期保费 unearned premium portfolio 未满期保费组合 unencumbered 无产权负担 unendorsed cheque 未经背书的支票 unexpended balance 未支用的结余款项 unexp
财会英语
U English Terms 中文翻译 详情解释/例子 Unbundling 分拆收购 收购一家拥有多种业务线的大型公司，保留核心业务同时出售子公司，作为收购的部分资金来源
财会英语
1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol
美联社新闻一分钟2010(二月)
Courier Delivery Becomes Race Against Clock in 'Premium Rush' On any business day, crossing the street in Manhattan is likely to mean a close encounter with a bicycle courier. They speed from one one end of the city to the other with rush deliveries.
VOA标准英语2012年(八月)
Cathy Majtenyi | Nairobi 28 April 2010 In Kenya, small-scale farmers are particularly vulnerable to the vagaries of weather, often losing their entire investment when droughts or floods destroy their crops. Crop insurance is usually too costly for su
VOA标准英语2010年(四)月