名詞 escalator:

1. a clause in a contract that provides for an increase or a decrease in wages or prices or benefits etc. depending on certain conditions (as a change in the cost of living index)
   同義詞：escalator clause
2. a stairway whose steps move continuously on a circulating belt
   同義詞：moving staircase, moving stairway

es.ca.la.tor

n.（名詞）
A moving stairway consisting of steps attached to a continuously circulating belt.
自動扶梯：附著在一個連續(xù)循環(huán)的帶子上的帶有臺階的移動樓梯
An escalator clause.
調(diào)整條款，伸縮條款

來源：
[Originally a trademark]
[早期的一種商標]