1. U.S. President Joe Biden announced a new goal of cutting U.S. greenhouse gas pollution as he kicked off a virtual global summit on climate change with dozens of other world leaders.
kick off 开始
The shows kick off on October 24th.
演出10月24日开始
。2. The measure would expedite the review of hate crimes and provide support for local law enforcement in response to thousands of reported violent incidents in the past year.
in response to 响应;回答;对…有反应
The product was developed in response to customer demand.
这种产品是为了满足顾客的需要而开发的
。