The existing grid, tweaked and smartened to make better use of its power stations, should be infrastructure enough.
现有电网，改良候以充分使用其供电站，即可作为基础设施投入使用。
My little daughter has already smartened up for the evening party.
我的小女儿为了今晚的聚会，早就打扮好了。
Cambridge has now smartened up its arrangements.
现在，剑桥大学也精通此道了。
She has smartened up since I met her last.
自我上次见到她之后，她变得漂亮了。
But if we smartened up sooner, we'd end up dumber.
但如果越早变聪明，我们最终就可能处于越愚蠢的境地。
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