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Why do wild geese change homes?
为什么大雁要搬家？
1. Wild geese have busy lives.
1 大雁生活很忙碌。
They fly from one place to another.
它们从一个地方飞到另一个地方。
They change homes twice every year.
它们每年搬家两次。
In spring, they fly north.
春天，它们飞向北方。
In autumn, they fly south.
秋天，它们飞向南方。
2. Why do wild geese move around so much?
2 为什么大雁要四处搬迁呢？
In winter, they cannot find enough food in the north, so they fly south in autumn.
冬天，它们在北方找不到足够的食物，因此它们在秋天飞向南方。
Then in spring, it is warm in the north, so they fly back.
接下来的春天，北方暖和了，因此它们又飞回来。
