λ演算本质上是一个关于函数及其应用的理论。
Sustainability is no longer an option; it's a necessity for the future of dairy farming.
To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.
The true measure of success is how many times you can bounce back from failure.
Sustainability is not an option anymore; it's a necessity for the future of agriculture.
人类不仅是一种地质因素，而且可能是所有地质力量中最强大和最普遍的。
"The world is full of stories, but it takes a special kind of person to hear them."