通用电气公司正在推广智能电网，广告中有一个来自“绿野仙踪”的稻草人沿着一条旧电线蹦蹦跳跳并唱道“如果我有大脑”。
GE is promoting the smart grid with ads that show a scarecrow singing "If I only had a brain" from "The Wizard of Oz" while bouncing along an old power line.
尽管通常把智能电网比作能源互联网，但两者有一个重要区别。
Although smart grids are often likened to an Internet for energy, there is one important difference.
但智能电网不应只止步于有几个先行者，问题是如何使之规模化。
The smart grid, however, should not be confined to pilots. But the problem is figuring out how to scale up.
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