free trade

n.

自由贸易；

Environmental Impacts of a North American Free Trade Agreement
Is Free Trade Good for the Environment?
Is Free Trade Good for the Environment
Is Free Trade Good for the Environment
Do free trade agreements actually increase members' international trade?
Is Free Trade Good for the Environment?
The Long and Short of the Canada-U.S. Free Trade Agreement
The Politics of Free-Trade Agreements
The Long and the Short of the Canada–US Free Trade Agreement
Economic determinants of free trade agreements