林业不是开采，而是按照自然时间尺度进行的培育。

Investing in farmer education is investing in the future of dairy.

只有艺术才能瓦解衰老社会制度的压抑效应。

Sustainability must be at the core of every stone we extract, or we extract nothing at all.

I believe that the testing of the student's achievements in order to see if he meets some criterion held by the teacher, is directly contrary to the implications of therapy for significant learning.