Over the last two decades, our government negotiators and policymakers have been coming together to discuss climate change, and they've been focused on avoiding a two-degree centigrade warming above pre-industrial levels.
在过去的20年里， 我们的政府谈判代表和政策制定者一起 讨论了气候变化的问题， 他们聚焦在避免高于前工业化水平 2℃的升温。