心理学的理解来自于观察心灵的行动。
Psychological understanding comes from seeing mind in action.
In international trade, a country should specialize in the production of goods for which it has a comparative advantage, and trade with other nations to maximize overall economic welfare.
Quality is not a title; it is a behavior.
Don’t let the noise of others’ opinions drown out your own inner voice.
金钱不是幸福的关键，但它有帮助。