Ject对"escalation" 的正确翻译：扩大, 增加。发音：[ˌeskə'leiʃən]。例句参考：As what we have signed is a fix- price contract with escalation, the price can be changed without notice. - 由于我们所签的是一份标价伸缩合同, 价格可以不经事先通知而变动。；