Economics Report - 'Passive' Homes Save Energy, Money 经济报道 - 大幅节约能源和费用的被动式住宅 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Heating and cooling equipment are th...
BP石油与俄罗斯能源巨头联盟 BBC News with David Legge The Tunisian President Zine El Abidine Ben Ali has been forced from power after a month of protests over unemployment and high food prices. The announcement was made on state TV by the...
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