displacement

1. N-UNCOUNT Displacement is the removal of something from its usual place or position by something which then occupies that place or position. 替代[正式]

...the displacement of traditional agriculture by industrial crops. …经济作物对传统农业的替代。

2. N-UNCOUNT Displacement is the forcing of people away from the area or country where they live. 逐出家园

...the gradual displacement of the American Indian. …对美洲印第安人的逐步强制迁移。