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.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
Our senses define our reality in ways we're only beginning to understand.
"The most successful investors are those who can remain calm and rational in the face of market volatility."