I mean, countries around the world are like human beings in the world, there's not only harmonious and interactive, but also there are conflicts with each other, there is a confrontation. For example, there is a certain country, the United States government had planned since last year, to introduce more immigration control measures, and also said that the illegal crossing into the United States will be detained in the shelter, if the illegal immigrants are under the age of 12, separated from their parents, separately restricted, and then the policy is open, have a lot of debate there, and the United States from the outside world, also has provoked strong dissatisfaction.