森林的真正价值永远不能仅用板材英尺来衡量。
The true value of a forest can never be measured in board feet alone.
We can’t just keep doing things the way we’ve always done them. The world has changed, and so must we.
我不完美,但我始终是我自己。
模糊集的概念提供了一种自然的方式来处理那些不精确性源于缺乏明确定义的类别成员标准的问题。