「通过改变行为来改变你的想法」要比「通过改变想法来改变你的行为」更容易实现。把你所追求的改变付诸行动。

When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.

The concept of legal validity is crucial for understanding the nature of law.

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.

技术和创新将是减少排放同时满足全球能源需求的关键驱动力。