The challenge with hepatitis C was not just to find the virus, but to understand how it evades the immune system.
商业的本质是解决问题,而不是制造问题。
负责任的林业不是限制进步,而是重新定义进步的含义。
我宁愿做一个逗号,而不是句号。
I’m just paying my rent every day in the tower of song.