1. think of sth/ doing sth.

think sb. sth.

e.g. When people are able to enjoy their lives, they start to think of the importance of happiness in their lives.

2. define

①to describe clearly and exactly what something is

② to explain the meaning of a word

e.g. The responsibilities of each team member need to be clearly defined.

e.g. I will discuss the reason why it is hard to define and what ways can help people to get happiness.

3. distinguish= to recognize the differences between things

e.g. He learned to distinguish the songs of different birds.

distinguish between: They concluded that even three-year-olds are able to distinguish between causes and effects.

distinguish something from something: It’s very difficult to distinguish satire from other types of comedy.

4. you are → are you

e.g. In addition, it is really based on what condition you are in.

5. satisfied adj.= pleased with what has happened or with what you have achieved

satisfied with: The President declared himself satisfied with the progress of the talks.

satisfying adj.=making you feel pleased or happy

e.g. She finds writing poetry deeply satisfying.

6. lead to

e.g. However there are also several crucial points that lead to happiness.

7.逗號前后注意句子結構完整

e.g. So when people are surrounded by their supportinggroup, there is always somebody to share their emotions with.