1. To be clear, Johnson & Johnson's vaccine has not yet received FDA's green light though that is expected in the matter of days.
green light 批準,許可
The food industry was given a green light to extend the use of these chemicals
食品業獲準繼續使用這些化學品
。2. L.A. County Sheriff Alex Villanueva says they will look into whether speed was a factor. But there were no indications of drugs or alcohol.
look into 考察;調查;研究
A working party has been set up to look into the problem.
已成立一個工作小組來調查這個問題
。