名词
中文翻译：自给自足
同义词：
['self-sufficiency', 'self-sufficient', 'independent travel']
例句：
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1. We decided togo on a self-packing trip to explore the countryside.
我们决定去自助旅行，探索乡村。
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2. The self-packing hotel provides all the necessary amenities for guests.
这家自助式酒店为客人提供了所有必要的便利设施。
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3. Many people choose self-packing as a way to save money and reduce their carbon footprint.
许多人选择自助旅行作为一种省钱和减少碳足迹的方式。