How does civilization 5 reduce dissatisfaction?

Unless India is used, there is no way to reduce population dissatisfaction. There are policies to reduce the dissatisfaction of Beijing, but the skills of waste wood can be offset by the Forbidden City 10% of the urban population. Since open source is not successful, we should cut costs, build more happy buildings such as theaters, or let workers build luxury ornaments, or adopt social policies to reduce dissatisfaction. The current version does not seem to support excessive aggression, so it is not as abnormal as the previous version to join the happy building. The urban population is the main factor leading to dissatisfaction.