本人有2句英语希望高手翻译一下.
with the historical background of deep and complex changes in the international situation.
我是这样翻译的：在国际形势发生强烈复杂变化的历史背景下
不知道恰当否?
另外有一句：
formally launch a mechanism of joint working group of the two foreign ministries
谢谢