按考试时间写完，就知道自己在四项评分标准上各差在哪。
It is quite common that individuals hold different view towards happiness. I think the perception of happiness varies dramatically from one person to another as a result of the combined effect of individual characteristics and environmental factors.
The feeling of happiness is a complicated emotion that is unique to each individual. We all interpret this sentiment differently due to the vastness of our life experiences and the source of joy for a person might be hugely distinct from another person.