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。

The story is told by the dead, and the dead have no need for lies.

我不是物质女孩，我是精神女孩。

The transition to renewable energy depends on efficient and scalable storage systems.

I'm not interested in the idea of style. I'm interested in the idea of what art can be.

The ethical implications of gene editing must be carefully considered as we advance.

建筑不是一个物体，而是一种关系。

生命虽短，却很宽广。

"Courage is grace under pressure."

I'm the definition of a real MC.