Maybe it's a tradition, maybe it's to keep the value kind of in a familiar range or a small-- they don't want them to get too expensive because people can't-- small investors can't afford them anymore.

也许是传统使然,也许是为了将价值维持在一个惯常的小区间内,他们不想让价格升得太高,因为人们,小投资者无法承担过高价格

耶鲁公开课 - 金融市场课程节选

Meanwhile, Atoc argues that rising passenger numbers reflect more frequent and better services with a "decent range of value for money tickets".

BBC: Searching for the most expensive train journey

Virgin Trains, which runs services on the West Coast mainline, told the BBC there was a "wider range of value fares than ever before" on their services.

BBC: Trains are a rich man's toy, says transport secretary

Customers can also choose from a range of great value smartphones, including Android and BlackBerry, for a small payment upfront or for free.

ENGADGET: T-Mobile's You Fix gives budget-minded Brits a new approach to pay-as-you-go