In the first half of the year, China and the United States discussed the issue of "High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-Level, High-L