哲学家争论心理状态是否能完全还原为脑状态。

Philosophers argue whether mental states can be fully ___reduced to brain states.

商店在打折季把商品价格降低了30%。

The store ___reduced the prices of goods by 30% during the sale season.

医生建议他减少工作时间以缓解压力。

The doctor advised him to have his working hours ___reduced to relieve stress.

老师把复杂的数学问题简化成几个基本步骤。

The teacher ___reduced the complex math problem to a few basic steps.