Unit 17 Laughter
笑是疗效最好的药。无论我们感觉自己的情绪有多么低落，笑声足以让我们开心一整天。
Laughter stimulates your full body
Feeling exhausted？A laugh can provide you with a fullbody wakeup call that will help you feel energized and refreshed.
Laughter makes you feel better
Have you ever been super stressed at work or school，maybe because everyone is being mean
