<美>障碍
1.The question of Taiwan is the main obstacle to better relations between China and the United States, and it might even develop into a crisis between the two nations. 
2.Deng: Most regrettably, during the latter period of the Carter Administration, the U.S. Congress adopted the Taiwan Relations Act, which has become an immense obstacle in Chinese-U.S. relations.
3.This action of the U.S. Government has added a new stumbling block in the way of the development of Sino-U.S. relations and settlement of the Taiwan question.
4.Two examples of this trend are the United States-Cannada Free Trade Agreement (FTA)and European Community(EC) to dismantle impediments to the free flow of goods, services,capital, and labor among member states by the end of 1992.
