无限区域问题
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open region problem
开区问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
With some planning, an open mind and a willingness to problem solve, camping is a rewarding way to see this incredibly diverse region, which stretches from Mexico's wide northern border with the US to the skinny southern tip of Panama.
BBC: Camping through Mexico and Central America
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