—— 请按键盘 空白键 开始游戏 ——

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
"The only limit to our realization of tomorrow will be our doubts of today."
最重要的是要有一个经过深思熟虑的长期投资策略。
The best hedge against low oil prices is low breakeven costs.
创新不仅仅是新想法,而是如何有效地执行它们。