—— 请按键盘 空白键 开始游戏 ——

The key to success in trading is discipline and risk management.
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
人们不禁会感到这些数学公式拥有独立的存在和自己的智慧,它们比我们更聪明,甚至比它们的发现者更聪明。
真相很少是纯粹的,也从不简单。
The steel industry must embrace sustainability to survive in the 21st century.