Why is the quality of exported goods generally better? Why do universities generally use the number and level of articles and topics to measure academics? Why does property tax not play a role in lowering housing prices? Does the cost of buying flowers and giving gifts during a relationship count as the cost of falling in love? Education is definitely more important than movies Why are teachers' salaries far lower than those of movie stars? This book uses interesting life cases, easy-to-understand, and humorous language to teach relevant concepts and principles of economics, and analyzes various phenomena and behaviors in life to provide readers with a different perspective on things. This book will surely make those who are shallow not aware of its depth, and those who are profound not aware of its shallowness. This book is suitable for everyone to read, and is also suitable as a textbook for general economics courses.