mode volume

例句：

1. 1. The mode of transportation has changed significantly over the years.
   交通方式多年来已经发生了显著的变化。
2. 2. She prefers to work in a relaxed mode rather than being stressed all the time.
   她更喜欢以一种放松的模式工作，而不是一直感到压力。
3. 3. The new model car is more fuel-efficient than its predecessor.
   这款新型汽车比它的前一代更加节能。