Sometimes, the best gift is not the most expensive one.

有时候，最好的礼物并不是最贵的那一个。

youdao

His journey is the most expensive one.

他的旅行花费是最多的。

youdao

The cost of the electricity plus the cost of your time could well make your hairdryer the most expensive one of all.

电费加上你的时间成本使你的电吹风很可能成为这其中最昂贵的一种。

youdao

He knew all about the Waldorf-Astoria, one of New York's most expensive hotel's.

VOA: special.2009.04.11

That's probably the most expensive one that I have. But it's forever.

这大概是我纹过的最贵的了。不过它是永久的。

你如何看待纹身？ - SpeakingMax英语口语达人

I'm going to come back to that in a second with that, but I need to do one more example, and I've got to use my high-tech really expensive props. Right. So here's the fourth or fifth whatever we're up to, I guess fifth example.

并且我会用到我的,高科技的昂贵小道具，好，这是第四个还是第五个了？,好，我猜是第五个例子了,这是个被称为汉诺塔的问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

He showed them the cost statistics and use patterns of the most expensive one per cent.

NEWYORKER: The Hot Spotters

Oh, and one has Office, but it's not the expensive one you're thinking about buying for work.

ENGADGET: Editorial: Engadget on Microsoft's new Surface tablet line

She and her husband are trying to help him do that, but it's a long shot - a very expensive one.

NPR: Iran Facing Dangerous Brain Drain