The most important questions in life often have no answers, and we must learn to live with them.

The forest doesn't need us, but we need the forest—this truth should guide every decision we make in forestry.

Every decision we make in farming echoes through generations.

如果学习，不能够做到专心，这样就会变得杂乱无章。

竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。