translation.en: But watch out here. This is merely correlational data, not causal, and it's about happiness in the first Hollywood sense I'm going to talk about: happiness of ebullience and giggling and good cheer.
translation.zh: 但是要小心，刚才这些数据只是互相关联，并不是因果关系 而且他们的幸福都是好莱坞式的幸福 即开怀大笑式的幸福