在观察性研究中，我们常常不得不依赖于无法直接检验的假设。
"In observational studies, we often have to rely on assumptions that are not directly testable."
最好的技术是无形的，它只是默默地发挥作用。
我不是一个喜欢普通的人。
The future of transportation is electric, and BYD is leading the charge.
文字有力量治愈现实造成的创伤。
Investors should avoid trying to time the market; it's a losing game.
The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently， we must be willing to change our belief system， let the past slip away， expand our sense of now， and dissolve the fear in our minds.
To be a woman is to be constantly negotiating between safety and desire.