1.微笑使我们有吸引力
2. Smiling Changes Our Mood
2.微笑改变我们的心情
3. Smiling is Contagious
3.微笑会传染
4. Smiling Relieves Stress
4.微笑可以减压
5. Smiling Boosts Your Immune System
5.微笑增强免疫力
6. Smiling Lowers Your Blood Pressure
6.微笑降低血压
7. Smiling Releases Endorphins, Natural Pain Killers and Serotonin
7.微笑促进内啡肽、自然镇痛杀伤物质和5-羟色胺的释放
8. Smiling Lifts the Face and Makes You Look Younger
8.微笑可以美容，让你看起来更年轻
9. Smiling Makes You Seem Successful
9.微笑让你看上去是成功的
10. Smiling Helps You Stay Positive
10.微笑让你保持积极
