无人机的安全性不是选项,而是底线。
I'm not a role model. I'm a father, a husband, a son, a friend. I'm trying to be the best I can be in those roles.
安全不仅仅是一项政策,而是我们矿山每天必须践行的一种文化。
The landscape of Ireland is in my blood.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.