科学家之间的合作是解决复杂问题的关键。
Collaboration between scientists is key to solving complex problems.
过去从未死去，它甚至没有过去。
To be a poet is to have a soul so quick to discern that no shade of quality escapes it.
心灵就像一位画家，能够描绘出整个世间。
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.