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。
我们必须不断挑战艺术世界的等级制度。
The study of quantum gravity is essential for understanding the early universe.
"Every word we speak carries the weight of our history and the hope of our future."
在这个世界上，能为别人减轻负担的人都是有用的。
行业的领导力意味着要有勇气投资未经验证的绿色技术。