What does it mean to accidentally sell children's photography and continue filming?

Actual sales, and orders signed later.

In the process of ordering serial publications, the library continues to order serial publications in the previous year's interview catalogue.

Children should know the basic knowledge and prepare the equipment before taking pictures. According to the characteristics of children at different ages and different periods, they not only have their own characteristics in diet and education, but also have different skills and methods of taking pictures.