之所以如此划分，其旨在系统梳理和分析冷战后美国对华战略的变化及发展趋势。

Generally speaking, this partition expounds the idea the change and develop trend of the American strategy to China after the Cold War.

youdao

冷战后美国极力推行单极世界，但世界格局多极化的发展趋势不可逆转。

Since the end of the Cold war, the US has done its best to pursue a world with itself being the only polarization, but the trend towards multi polarization can not be reversed.

youdao