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It is common to distinguish necessaries, comforts, and luxuries; the first class including all things required to meet wants which must be satisfied, while the latter consist of things that meet wants of a less urgent character.
区分必需品、舒适品和奢侈品是很常见的;第一类包括满足必须满足的需要的所有东西，而后者包括满足不那么紧迫的需要的东西。