每个侦探都背负着自己的黑暗。
The question is, are we happy to suppose that our grandchildren may never be able to see an elephant except in a picture book?
The only limit to our realization of tomorrow is our doubts of today.
可持续性不仅仅是一个流行词,更是我们的责任。
There are no such things as applied sciences, only applications of science.
"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."