Airlines, hotels, event and sports ticket vendors, they have been using this strategy for a long time, allowing them to bump prices up or down, depending on demand.

航空公司、酒店、赛事和体育门票供应商们，他们长期以来一直都在使用这种策略，以便根据需求提高或降低价格。

Airlines, hotels, event and sports ticket vendors, they've been using this strategy for a long time, allowing them to bump prices up or down depending on demand.

航空公司、酒店、活动和体育赛事门票供应商长期以来一直在使用这种策略，允许他们根据需求提高或降低价格。

If a bus is late, a person of 'itutu' won't shout or get in a dispute with a ticket vendor, they'll let out a minor sigh and pull a weary smile.

如果公共汽车晚点，“itutu”的人不会大喊大叫或与售票员发生争执，他们会发出轻微的叹息，露出疲惫的微笑。