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Annual political gathering kicks off this week in Beijing with the economy, technology and the military high on the agenda
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A so-called "planetary nebula" is a confusing misnomer because these clouds have nothing to do with planets. As a medium-size star nears the end, it puffs out into a red giant — about 100 to 1,000 times its original size — eventually engulfing the space around it, including any nearby worlds.
刘年丰：是的，之前行业可能追求的是一个“既能搬箱子、又能收拾桌子、还能叠衣服”的通用模型。
今年元夜时，月与灯依旧。不见去年人，泪湿春衫袖。