成功靠自己，要孩子長大，父母不要隨意伸出援手！

https://www.youtube.com/watch?v=JHy6bBKu0j4&feature=youtu.be

www.youtube.com
A mother duck looks on while twelve of her adorable ducklings attempt to overcome what is to them a very large obstacle, the stairs. Will they make it?