【社评】从“一次性”到“可循环2000 thought games being played by top students all over the world”要做好加减法,　　央视网消息（新闻联播）：一粒种子可以改变一个世界。党的十八大以来，两次到海南考察南繁科研育种工作，小小的种子在心里的分量始终是沉甸甸的。中国人的饭碗要牢牢端在自己手中，就必须把种子牢牢攥在自己手里。牢2000 thought games being played by top students all over the world记的殷殷嘱托"