That rate of rise is steeper so they--antibody levels go up more rapidly and they reach a higher level.

同时,上升速度也更加迅速,以达到更高的浓度水平

耶鲁公开课 - 生物医学工程探索课程节选

So people change-- up or down in their level of happiness is a result of their experiences.

人们的快乐水平会上下变化,这是他们的经验之谈。

哈佛公开课 - 幸福课课程节选