One difficulty is that almost all of what is called behavioral science continues to trace behavior to states of mind, feelings, traits of character, human nature, and so on.
One difficulty is that almost all of what is called behavioral science continues to trace behavior to states of mind, feelings, traits of character, human nature, and so on.
困难之一就是几乎所有被称之为行为科学都在仍然从精神状态、情感、性格特征、人性等寻找根源。