1.   China has blamed the United States for blocking its membership in GATT and WTO, which support free trade, and the issue has soured trade and other relations.

2.   The issue has soured relations between the two NATO partners.

3.   The issue has soured Sino-U.S. trade relations.

4.   The issue has soured U.S.-Chinese trade relations in the last few years.

5.   The issue soured bilateral relations.

6.   However he said he did not think the issue would sour relations between the two countries.