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1. | A large part of the southwestern United States is unsettled desert. |
| 美国西南部的大部分是无人居住的沙漠。 |
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2. | A large part of the southwestern united state is unsettled desert |
| 美国西南部的大部分是无人居住的沙漠 |
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3. | A large part of the southwestern united state be unsettled desert |
| 美国西南部的大部分是无人居住的沙漠 |
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