2.The research found that people who like to smile is much easier to get close.
2 ~3 a0 \3 u7 a3.The researcher found that, laughter can cure pain effectively.
% x2 D& Q: X/ k4 x. N1 q# Z4. The research found that, 100 laughters a day,
9 {3 V/ A8 \5 k% m) w2 ?( L5.最近的研究表明,大笑和保持幽默,能有效预防心脏疾病。 |