The art of economics lies in understanding the subtle interactions between rules and behavior.
Dairy isn’t just a product; it’s a part of people’s lives.
尘土承受屈辱，却以鲜花来回报。
The world is a book, and those who do not travel read only a page.
The key to success is to focus on goals, not obstacles.
The best products come from a deep understanding of the problem, not just a desire to make something new.