It's a very big country and different states, regions, cities, towns and counties have different levels of infectious activity.

美国是一个很大的国家，有很多州，区，市，镇和县他们的感染程度是不一样的。

This is the course of action that thousands of companies, cities, states, regions, universities, and investors are already choosing by committing to net-zero emissions by 2050 at the latest.

这是成千上万的公司、城市、州、地区、大学和投资者已经选择的行动方针，承诺最迟到 2050 年实现净零排放。

So we are currently the cochair of a coalition that brings together 200 states, regions, devolved countries like ours to demonstrate leadership in meeting the challenge of climate change.

因此，我们目前是一个联盟的联合主席，该联盟汇集了 200 个州、地区和像我们这样的权力下放国家，以展示应对气候变化挑战的领导力。