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. …經濟作物對傳統辳業的替代。

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

...the gradual displacement of the American Indian. …對美洲印第安人的逐步強制遷移。