The lead grey color breaks the cloud, throws down the depth alternate light shade.

铅灰色的断云，投下深浅交替的光影。

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The depth of the intensive organic soil regions is important because it allows for vegetative plants to grow, which yields alternate and differentiated food sources.

为保证绿色植物的生长，集约型有机土壤的深度就显得极为重要。只有这样，绿色植物才能提供丰富多样的食物来源。

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