Costs can escalate terrifyingly.成本的上涨速度会很惊人。Ground rents are likely to escalate over time.地租以后可能会逐渐上涨。Conditions are still very tense and the fighting could escalate at any time.局势仍然非常紧张，战斗随时可能升级。...
Costs can escalate terrifyingly.成本的上涨速度会很惊人。Both unions and management fear the dispute could escalate...工会和管理层都担心争端会恶化。A conventional skirmish would escalate into a nuclear exchange.传统的小规模战斗更有可能逐步升级为核战争.Ground rents are...