For professional footballers, injuries are an occupational hazard.
对于职业足球运动员来说,受伤是职业本身带来的危险。
The intellectual, who is working on some abstruse problem, has everything coordinated and organized for the matter in hand.
一个专心钻研某个复杂问题的知识分子,为了搞好手头的研究,要把一切都协调一致,组织周密。