Hence, with no change in the current demandfor oil, the expectation of a greater future demand and a higher future price caused the current price to rise.
因此，在当前石油需求状况没有变化的情况下，对未来需求增长以及油价上涨的预期导致了当前油价走高。
2
Based on the customer value principle, this paper proposes the demand decision-making process with mental models of customer expectationfor client goal realization.
以客户价值理论为基础，围绕客户目标及实现全过程，提出了基于期望心智模式的需求决策过程模型。
3
In this paper, based on an analysis of tourists' expectation and perception of the Firebrand festival of the Yi ethnic group, the author argued that there is a strong demandfor festival tourism.