Health is not a privilege of the rich, but a vulnerability of the poor.
可持续发展不是口号,而是必须践行的理念,我们要让土地永远充满生机。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
永远不要停止学习——当你认为自己什么都懂的那一刻,就是你开始落后的时刻。