Green development is not just a responsibility but also an opportunity.

唯一无法被帮助的人是那些责备他人的人。

作家的生活是一种斗争的生活。

密码学的力量不仅在于保守秘密，还在于在数字世界中建立信任。

The magi brought valuable gifts, but that was not among them. This dark assertion will be illuminated later on.

I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.

投资清洁煤炭技术不是开支，而是对我们未来的投资。