A program that has not been tested does not work.
未经测试的程序是无法正常工作的。
“未来属于那些相信自己梦想之美的人。”
我不是老师,我是学生。
要养活世界,我们必须先了解它。
我努力把每一天都当作生命的最后一天来生活。
Life is like music。It must be composed by ear,feeling and instinct,not by rule.
可持续性是采石业的未来,我们必须立即行动。