Article i of the gatt is the celebrated most favored nation clause under which each member nation must give treatment to other member nations ' imports and exports that is at least as favorable as that applied to the most favored nation 关税及关贸总协定的第一条是著名的最惠国条款，每一个成员国给予其他成员国的进口货物的待遇至少应和给予最惠国的待遇同样的优惠。
