Resale and trade-in values for late-model vehicles in good condition have been rising all year as demand has outstripped supply, particularly for fuel-efficient models.

在需求大于供应的情况下，特别是对节能车型的需求，性能良好老款车的二手价格和抵价购物价格全年都有所提升。

youdao

Using system engineering theory and method, system model and simulation method, the paper analyses the conflict between supply and demand of water resources within the system.

文章用系统工程的理论和方法，用系统模型和模拟的方法，分析系统内水资源的供给与需求。

youdao

The most important lesson we can learn from the supply and demand model is that with increased demand comes increased price competition.

从供需模型，我们能学到的最重要一课就是需求的增长必然导致价格的竞争。

youdao

However, in this case there are complications because health insurance is not a product best described with a simple supply and demand model.

FORBES: The Economics of the Mandate Don't Matter: It's Constitutional

They can't model potential talent shortages or monitor talent supply and demand.

FORBES