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。
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德这时知道他能够顺利飞抵300英里以外的南极了,因为前面再没有山了。