While the other levels involve physical satisfaction, that is, the feeding, comfort, safety, and transportation, this level stresses mental needs for recognition, achievement, and happiness.

【参考答案】

其它几个层次都和身体满意度相关，比如，饮食，舒适度，安全和交通，而这个层次强调精神需要，比如认同，成就和幸福。