The human body is a complex puzzle, and viruses are just one piece of it.
好的建筑是让城市变得更好的建筑。
The best thing about a boolean is even if you are wrong, you are only off by a bit.
"The power of words can change the world."
书是一个永远不会评判你的朋友。
The Fed put out the fire, but the house still needs rebuilding.