科学中的每一个发现都是建立在我们之前无数人工作的基础上。
Every discovery in science is built upon the work of countless others before us.
每一个实验都会破坏通过先前实验获得的关于系统的某些知识。
The old believe everything, the middle-aged suspect everything, the young know everything.
Innovation in forestry means balancing ecological health with economic viability.