c language programming efficiency c语言程序效率
language learning efficiency 语言学习效率
foreign language teaching efficiency 外语教学效率
the efficiency of language learning 语言习得效率
efficiency of foreign language teaching 外语教学效果
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The U.S. General Services Administration (GSA) is adopting changes to its standard lease language to enhance energy and water efficiency in the more than 190 million square feet of office space the federal agency leases across the United States.
FORBES: GSA Goes Deep Green With Next-Gen Green Leasing Standards
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