1.While the WTO is still young, the multilateral trading system that was originally setup under GATT is already 50 years old.

世贸组织成立时间虽不长，但初始建立在关贸下多边贸易体系已有50年历史。

2.The expansion of the world economy requires us to continue the process of removing barriers to trade, and to do so in the multilateral negotiations in the GATT.

世界经济，要求我们持续消贸易壁垒，在关贸多边谈判中，我们也要这样做。

3.It joined the United Nations (UN) and other international organizations, such as the North Atlantic Treaty Organization (NATO), the International Monetary Fund (IMF), and the General Agreement on Tariff and Trade (GATT).

美国加人了联合国和其他国际性组织，如北大西洋公约组织(NATO)、国际货币基金组织(IMF)、关贸(GATT)。

4.As a successor to the General Agreement on Tariffs and Trade (GATT), established in the wake of the Second World War, it is to help world trade flow freely, fairly and predictably.

它替代了第二次世界大战后建立关税及贸易，目是使世界贸易更加自由、公平、有预见性地发展。