Unfortunately, renewable energy is generally diffuse, meaning you need to cover a lot of area to get the energy you want.

不幸的是，可再生能源通常是分散的，这意味着为了得到你想要的能源，你需要覆盖广大的地域。

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First, because sunlight is a diffuse energy source, they need to spread out over a large area as cheaply as possible.

首先，因为阳光是弥漫性能量来源，光电面板需要尽可能成本低廉的大面积铺开。

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You don't need it to capture a great photo. Cloudy days are better for photos than bright sunny days because the clouds diffuse the sun's light.

你不需要拍出很专业的照片。多云的天气会比万里无云的晴朗天气更适合拍照，因为云彩可以使太阳光线变得很柔和。

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