Happiness writes white.
幸福是一张白纸。
水产养殖不仅仅是一个行业;它是全球沿海社区的生命线。
"The past is never dead. It's not even past."
The best things in life are free.
人们不应该研究这样的问题,应该把它们留给哲学家。
The beauty of instrumental variables is that they allow us to see the world in a new light.