Borders are scars on the face of the earth, marks of violence and division.
The only way to discover the limits of the possible is to go beyond them into the impossible.
钢铁行业必须适应未来的需求。
每一种化学结合完全且仅仅依赖于两种对立的力量,即正电和负电。
The only way to do something in depth is to work hard.