Prediction: Solar Power Will Be As Cheap As Coal in Two years.
预言：太阳能发电在两年内就能像煤电一样便宜。
With tax incentives, solar electricity can often pay for itself in five to ten years.
如果有税收优惠政策，通常太阳能电力可以在五至十年内收回成本。
With tax incentives, solar electricity can often pay for itself in five to ten years.
如果有税收优惠政策，通常太阳能电力可以在五至十年内收回成本。
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