So yes, there's a set time frame.

所以是的，有一个固定的时间范围。

A few weeks ago, the CEOs came together and for the first time signed up on the shared ambition to bring all their own emissions to net-zero within the time frame set by the Paris Agreement.

几周前，几位 CEO 聚在一起首次签署了共同的决心计划，即在《巴黎协定》规定的时间框架内实现自身的零排放。