When a man at 74, he has less responsibilities onshoulders, less economy pression and has more private time.So they have greatest satisfaction never before.
人到了74岁时，肩上的责任变少，经济压力减轻，属于自己的时间增多，由此会感到前所未有的满足。
3
Trained dogs did somersaults on a man's shoulders.