Take-home lesson: the CDC is adding staff and computer tracking systems to look for possible problems with the vaccine, so if any unexpected dangers show up, they'll be flagged quickly.

教训：疾病预防控制中心正在增设人员，建立电脑追踪系统，以便及时发现疫苗的潜在问题。所以，一旦有意外危险崭露头角，他们一定会迅速通告大家。

youdao

Take-home lesson: the CDC is adding staff and computer tracking systems to look for possible problems with the vaccine, so if any unexpected dangers show up, they'll be flagged quickly.

教训：疾病预防控制中心正在增设人员，建立电脑追踪系统，以便及时发现疫苗的潜在问题。所以，一旦有意外危险崭露头角，他们一定会迅速通告大家。

youdao