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。
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙,而不是等到大学都忙得不可开交的时候。