The beauty of instrumental variables is that they allow us to see the world in a new light.
工具变量的美妙之处在于它们让我们以新的视角看世界。
不要害怕失败,要害怕不去尝试。
The greatest stories are those that leave room for silence.
我经历了生活中的许多坎坷,但我依然在这里
I'm the reason your hopes won't rise.
The only way to do great work is to love what you do.
The true value of a forest lies in its ability to balance ecological needs with human aspirations.