From the point of view of economic theory, fair trade is not a useful concept, because countries benefit from free trade whether or not their trading partners also do so.
從經濟理論的角度來看，公平貿易的觀念沒有多大幫助，因為不管你的貿易夥伴是不是也這麼做，國家是從施行自由貿易制度中獲益。