Trust is abstracted as a function of subjective expectation and objective experience, and a reasonable method is provided to combine the direct experience and the indirect experience from others.

• 信任被抽象成一个由信任评估主体对客体的主观期望和客观经验共同作用的函数；模型还提供了一个合理的方法用于综合直接经验和第三方推荐经验.