第一次测试youtube的血糖offer广告。广告过了，但是没有展示. 显示limited by policy。
Some of your ads can only serve in certain countries or on certain devices due to the nature of the content.
Health in personalized advertising
Youtube Ad Requirements - Improper Content
Youtube Ad Requirements - Exaggerated or Inaccurate Claims
这种需要认证资质吗?搜索里或者展示广告是可以展示的
