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The torrent of centuries rolling over the human race, has continually brought new perfections, the cause of which, ever active though unseen, is found in the demands made by our senses, which always in their turns demand to be occupied.
几百年的洪流滚滚而过，不断地给人类带来新的完美，其原因虽然看不见，却总是积极地存在于我们感官的需求中，而这些需求又总是反过来需要我们去满足。