Some people think of everyday nuisances as the spice of life, but to an athlete, whose success is decided by inches and tenths of seconds, a collected mind can mean the difference between victory and defeat.
對一般人來說，鬧鬧情緒，也許是平淡生活的調味品，但在瞬息萬變的競賽中，尤其是在十分之一秒之內定江山的個人競技項目（如田徑、游泳等），心理狀況的穩定就很重要了。