心理学家必须研究心灵的实际状态,而非理想状态。
两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
The best way to predict the future is to create it.
The textile industry must embrace sustainability, or it will become obsolete.
Happiness is sharing my music with the world.