总部位于苏格兰的Aggreko公司是世界上最大的临时电能供应商，该公司通过大批的备用发电机组进行发电。
Aggreko, a company based in Scotland, is the world's biggest supplier of temporary electricity in the shape of back-up generators.
我们想建设一个新的总部大楼，但如果花费太多，我们会采取备用计划，只将目前的办公室装修一下。
EXAMPLE: we'd like to construct a new building for our headquarters, but if that proves to be too expensive, we will move to Plan b, which is just to remodel our current offices.
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