人生之所以美丽,是因为它不会总是如你所愿。
I'm not perfect, but I'm trying.
The past is not static; it evolves with our understanding.
电报不仅是一项发明,而且是团结人类的手段。
"Reading is an act of freedom."
The core of drones is not how high they fly, but how well they are used.