Efficiency in farming shouldn’t come at the cost of biodiversity.

There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.

Sustainable forestry is not just about cutting trees; it's about ensuring the future has forests to cherish.

解释：大部分鸟类都是雄性的，而雌鸽却是雌性的，说明了鸟类性别的特殊性。

爱是一种痛苦。如果你感觉不到痛苦，那就不是爱。

质量不是一种技术，而是一种哲学。

我们飞得越高，我们在那些不能飞的人眼中的形象就越渺小。