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

贸组织成立的时间虽不长，但初始建立在关贸总协定下的多边贸易体系已有50年的历史。

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.

界经的扩张，要求我们持续消除贸易壁垒，在关贸总协定的多边谈判中，我们也要这样做。

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)、关贸总协定(GATT)。