shutsuryoku (出力): Shutsuryoku is the opposite of yunyū, it refers to the process of exporting goods or products out of a country.
kōshō (交渉): Kōshō means negotiation, which often takes place between countries when discussing terms and conditions for imports and exports.
zeikin (税金): Zeikin refers to taxes that are imposed on imported goods as they enter a country.