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月六級(jí)真題（第二套）閱讀 Section C
柯林斯高階英漢雙解學(xué)習(xí)詞典釋義
VERB
明確說明;具體指定
If you specify something, you give information about what is required or should happen in a certain situation.