Teams might scoreonly a few times each match, so matches can turn around suddenly.
球队可能在每场比赛中只有几次进球，所以比赛可能会突然逆转。
2
Student teachers score higher on tests than pupils who're learning only for their own sake.
辅导他人的学生在考试中比那些只为自己学习的学生得分更高。
3
As the examination score is the only criterion for his academic performance, a student is driven to memorize mechanically rather than to think creatively.