1. Thanks: Thanks are out of courtesy or to express gratitude to each other, which is suitable for various occasions in daily life.

2. Gratitude: Gratitude emphasizes expressing gratitude for some behavior or practice of others, which is applicable to situations where others help or benefit.

3. Gratitude: Gratitude is because others have helped themselves a lot, helped themselves out of the predicament, saved their lives from the quagmire, and have a stronger desire to repay each other.

4. Touching: Touching is because other people's behaviors or practices make you feel deeply shocked and touched, which is suitable for being touched by others.

Generally speaking, gratitude is the foundation, gratitude and gratitude are further emotional expressions on the basis of gratitude, and touching is a deeper emotional experience.