1. 回転ベルトの上で動き続ける階段(a stairway whose steps move continuously on a circulating belt)
2. 特定の状況にあわせて賃金、価格または利益などの増加あるいは減少を与える契約上の条項(生計費指数における変化により)(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))