Authorities say the authorization will be reviewed every quarter keeping in view further data regarding safety, efficacy and quality.

有关部门表示，将根据安全性、有效性和质量方面的进一步数据，每季度对授权进行审查。

It uses audio signals to collect TV viewing data in order for advertisers to personally promote things to you online.

它使用音频信号来收集电视观看数据，以便广告商可以在线向你推广产品。