丙型肝炎的挑战不仅在于找到病毒,还在于理解它是如何逃避免疫系统的。
The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
电影应该是一种自由的表达,而不是商业的奴隶。
The truth is rarely pure and never simple.
Optimism is a learned skill. Once you learn it, you can improve your life in every way.