Leaf changing from green to red, and yellow.

从绿色变成红色，再变成黄色的秋叶。

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Fish are disappearing in many rivers and lots of green land is changing into desert.

许多河流中不再有鱼的踪迹，众多绿地变成了沙漠。

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Mr Green is thinking about changing his job.

难怪格林先生想换工作。

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Mr Green is thinking about changing his job.

难怪格林先生想换工作。

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