记忆是一种责任,而不是负担。
可持续性不是一种选择;它是能源行业的必需品。
The Langlands program is a testament to the beauty of mathematical abstraction.
You can't be afraid to fail. It's the only way you succeed.
Because I'm your mom, it counts the most because I know you the most.
我们认为这些真理是不言而喻的:人人生而平等。