Sometimes we get sad about things and we don’t like to tell other people that we are sad about them.
有时我们会为某些事情感到悲伤，而我们不愿意告诉别人我们为此感到悲伤。
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.
I'm not a rapper, I'm a life changer.
我们应该把所有法则或理论都视为假设或推测。
能源的未来在于平衡传统资源和可再生发展。