Whether they had $5 or $20 made no difference, nor did what they bought. What mattered was who they spent their money on. The people who had spent it on someone else felt significantly happier than those who treated themselves.

อ่านต่อเพิ่มเติม โรงเรียนบ้านห้วยปริก

สาระสำคัญ  ไข้เลือดออก