是坚持，让刘禹锡历经了了“二十三年弃置身”的悲苦后，终成出淤泥而不染的清莲；
Liu yuxi is insist, after the discard in the twenty-third year of bitterness, after all the silt but not imbrued qing lotus;
NASA的探测器旅行者1号历经三十三年的冒险旅程，到达了遥远的太阳系边缘的一个角落——在这里太阳风不再向外吹拂。
The 33-year Odyssey of NASA's Voyager 1 spacecraft has reached a distant point at the edge of our solar system where there is no outward motion of solar wind.
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