All the multilateral arrangements need to be examined for clauses that restrict the free trade.
All the multilateral arrangements need to be examined for clauses that restrict the free trade.
（对于）所有各种多边安排都必须加以审查，以便研讨其中有无限制自由贸易条款。
All the multilateral arrangements need to be examined for clauses that restrict the free trade.
（对于）所有各种多边安排都必须加以审查，以便研讨其中有无限制自由贸易条款。