Chú Hải Ly bận rộn = The busy beaver

The busy but careless beaver spends his days following random impulses, rarely thinking things through and leaving in his wake a devastated forest filled with stumps, half-nibbled trees and injured, homeless animals. But then one day the beaver finds himself on the wrong side of a falling tree, which as it turns out, is just the thing to knock some sense into him. After reflecting on his behavior, he decides to make some changes. Soon, the now wi...