地球并非刚体,其对力的响应必须被视为弹性体。
"I think the mind is the most important thing in any sport. If you can control your mind, you can control the situation."
人之所以为人,是必须充满精力,自我悔改,自我反省,自我成长,并非向人抱怨。
The best stories are those that resonate with both children and adults.