飘出窗外的歌是希望之歌,它给正在经历折磨的人一缕光芒,让他们感受到一丝温暖,也让他们在无边无际的黑暗世界中快乐,并带给他们无限的动力,即使有百分之九十九的危险,那还是有百分之一的希望,不到最后一刻永不退缩。飘出窗外的歌是知识之歌,它给我们带来无穷的知识,让我们茁壮成长, The song out of the window is the song of hope, giving a ray of light to those who are suffering, giving them a sense of warmth and making them happy and entertaining in the boundless dark world, even with Ninety-nine percent of the dangers, there is still one percent hope, not to the last moment never back down. Out of the window song is the song of knowledge, it brings us endless knowledge, let us grow,