Until April this year, when it switched to a multi-tiered pricing system, every song available on iTunes cost a uniform 99 cents in America, 79 pence in Britain and so forth.
直到这几年Apple公司才将收费策略转向多重价格策略，在美国每首在iTunes上的歌统一价格为99美分，而在英国是79美分。
The fourth is that, The uniform calculation of the whole lifecycle engineering cost, its aim is to supply model supporting system to whole lifecycle engineering cost management.
全生命周期工程造价统一计算，它是为全生命周期工程造价管理提供模型支持系统。
The fourth is that, The uniform calculation of the whole lifecycle engineering cost, its aim is to supply model supporting system to whole lifecycle engineering cost management.
全生命周期工程造价统一计算，它是为全生命周期工程造价管理提供模型支持系统。
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