上上人是指德行、智能或身分最高的人，出自《坛经·行由》：“下下人有上上智，上上人有没意智。”
传统上，大学生在踏上人生之旅之前会举行一次毕业典礼以鼓励自己。
Traditionally, college students hold a graduation ceremony to encourage themselves before they set off on their life journey.
事实上，它是整个西西里岛上人口最稠密的地区。
In fact, it is the most densely populated region on the whole island of Sicily.
世界上人口太多了，他说，这是目前地球上最大的问题。
Too many humans, he says, is by far the greatest problem facing earth.
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