Aviation officials in the US say all small drones and model aircraft in the country must be registered under a government's date base.

美国航空管理局表示称，所有小型无人机以及模拟飞行器都必须注册备案。

But we also have ones dated… different types of bap rolls again based on the influence of the areas we are.

但我们也有一些过时的......根据我们所在地区的影响，再次推出不同类型的 bap rolls。