The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
每一部电影都是一次旅程，每一次旅程都是一部电影。
It is not the creation of wealth that is wrong, but the love of money for its own sake.
We must remember the past in order to better face the future.
The struggle for survival is the essence of life.
"世界是一面镜子，而镜子是一个谎言。"