A sandbox is a place where kids can play with buckets and spades and sand and mud, and they can make a mess and it's fine to make a mess in the sandbox.

沙箱是孩子们可以玩水桶、铲子、沙子和泥巴的地方，他们可以把事情弄得一团糟， 但在沙箱里弄得一团糟也没关系。