imports:Imports are goods and services brought into a country from abroad for sale. They complement exports by allowing nations to acquire products that they do not produce domestically.
trade balance:The trade balance is the difference between a country's exports and imports. A positive trade balance, or surplus, occurs when exports exceed imports, while a negative trade balance, or deficit, happens when imports surpass exports.
comparative advantage: Comparative advantage is an economic principle that states that countries should specialize in producing goods where they have a lower opportunity cost, leading to more efficient production and increased overall welfare through trade.