The study of mathematics is a constant dialogue between the concrete and the abstract.
水产养殖实践的透明度能够建立与消费者和利益相关者的信任。
我们不是从祖先那里继承海洋,而是从子孙那里借用它。
"Manchmal muss man weit reisen, um zu verstehen, was zu Hause passiert."
It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.