surge pricing
noun [ U ] business specialized uk/ˈsɜːdʒ ˌpraɪ.sɪŋ/ us/ˈsɜ˞ːdʒ ˌpraɪ.sɪŋ/ (also dynamic pricing)
（根据需求浮动的）动态定价
a way of setting the price for a product or service in which the price changes according to how much demand there is for it at a particular time (= how many people want to buy it or pay for it)
Is surge pricing a fair way to manage demand? 动态定价是应对需求的一种公平方式吗？
Most passengers dislike surge pricing and will do everything in their power to avoid paying the extra fees. 大多数乘客不喜欢动态定价，他们会尽一切可能避免支付额外费用。
- More examples
- The idea behind surge pricing is to adjust prices of rides to match driver supply to rider demand at any given time.
- The company's surge pricing policies are not much different from what is going on in other industries.
- My neighbours have implemented surge pricing so eggs are now £4 a dozen.