Learning is not compulsory... neither is survival.
学习不是强制性的...生存也不是。
The stock market is a giant distraction to the business of investing.
You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it. Seek negative feedback, particularly from friends.
丙型肝炎的发现不仅仅是我个人的成就,而是许多杰出人才共同努力的结果。