threshold model

例句：

1. 1.The threshold model is a useful tool for predicting consumer behavior.
   门槛模型是预测消费者行为的一个有用的工具。
2. 2. In the threshold model, the decision-making process is influenced by both internal and external factors.
   在门槛模型中，决策过程受到内部和外部因素的影响。
3. 3.The threshold model has been widely applied in various fields, including marketing and economics.
   门槛模型已被广泛应用于各个领域，包括市场营销和经济领域。