“柠檬问题”指的是当卖家比买家掌握更多信息时，评估产品质量的困难。
The beauty of physics lies in its ability to explain the complex with simple principles.
Control of consciousness determines the quality of life.
你放弃的那一刻就是你输的那一刻。
The intellectually sophisticated person is indifferent to all genuine individuality, because relationships and reactions result from it which cannot be exhausted with logical operations.