青出于蓝的本义是什么

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《铁血男儿夏明翰》：1918年，北洋军阀吴佩孚攻陷衡阳，衡阳城中，多年的军阀战祸已致满城荒芜，民不聊生。以夏明翰为首的 “砂子会”内分为两派，一派挺吴一派反吴。夏明翰坚持着自己的观点，要集结力量，跟军阀官僚斗，创造理想社会。。The Yangtze River Bridge in Nanjing is one of the most famous bridges in China. It is also the most popular place in the world to commit suicide. For the past 11 years Chen Si has been patrolling this bridge, looking to provide aid for those who've gone there to end their lives. Incredibly, he has saved over 300 people since he began - nearly one every two weeks. 南京长江大桥是中国最著名的桥...。