Agriculture is not just a business; it is a way of life.

一个组织的学习质量决定了其改进的质量。

The footsteps of Nature are to be traced, not only in her ordinary course, but when she deviates from it in her most extravagant excursions.

没有什么比心里藏着一个未讲的故事更痛苦的了。