concentration to control

例句：

1. 1. The task requires high concentration to complete it on time.
   这项任务需要高度集中精力才能按时完成。
2. 2.The teacher emphasized the importance of concentration during the test.
   老师在考试中强调了集中注意力的重要性。
3. 3. The patient needed to concentrate on his breathing exercises.
   病人需要专注于他的呼吸练习。