However, the agreement specifies that there is no formal distinction between developed and developing nations in their responsibility to cut emissions, effectively ignoring historical emissions.
2016年12月六级真题（第二套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
VERB
明确说明;具体指定
If you specify something, you give information about what is required or should happen in a certain situation.