叶斑病是发生在高尔夫球场草坪上的一种重要病害，主要引起多种草坪草的叶斑和叶枯，严重影响草坪景观，破坏草坪质量。

The leaf spot is one of important diseases in golf courses. It causes leaf spot and leaf blight on many species of grasses, and can influence sights and destroy quality of grasses.

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更糟糕的是，人们任他们的牛把草吃光，这进一步破坏了草原。

To make matters worse, people let their cattle eat up the grass, which further destroys the grassland.

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如果每个人都让他们的山羊在共有地吃草，那么最终草地会被破坏变成一个荒地，没有草留给任何人。

If everyone lets their goats graze in the commons, it turns into a devastated wasteland with no grass left for anyone.

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