中央电视台从今年春节起，以“知识改变命运”为题，播出大型公益广告。已经播过的有张艺谋，从弹棉花的辅助工到国际知名导演；毕思文，一个矿工子弟成长为北大、清华的双料博士……也许是限于广告的时间原因，科学的惠赐，知识的恩泽，被浓缩了，被简单化了，其功利的目的过 Starting from the Spring Festival this year, CCTV broadcasts large-scale public service announcements titled “Changing Destiny of Knowledge.” Has been broadcast by Zhang Yimou, assistant workers from the bomb cotton to internationally renowned director; Bi Siwen, a miner’s children grew into Peking University, Tsinghua double-doctoral ... ... may be limited to advertising time reasons, the gift of science, the grace of knowledge , Was condensed, was simplified, the purpose of its utilizations too