Moonbows are rarer than rainbows.

月虹比彩虹更罕见。

youdao

New species of snakes, however, are much rarer.

然而，新品种的蛇则要稀有得多。

youdao

Taxis on a rainy New York night are rarer than sunshine.

在纽约的雨夜打车比见到阳光还难。

youdao

She says now every home has a phone,TV,fridge and washing machine, but before the '80s these were much rarer.

VOA: standard.2009.09.28

Now admittedly,dying as a joint undertaking is far rarer than dying alone.

无可否认共同死亡比单独死亡少见得多。

耶鲁公开课 - 死亡课程节选

And then, we'll even discuss some rarer cases like Capgras syndrome.

下面,我们将讨论一些更加罕见的例子,比如卡普格拉综合征

耶鲁公开课 - 心理学导论课程节选

Some of the rarer marsupials are restricted to a small area of northeast Queensland.

BBC: Watching Australia's wildlife

That sort of team poaching is common in investment banking but rarer in academic research.

ECONOMIST: Cancer research

Those individuals with rarer forms smoked less, and those completely without the enzyme smoked least.

ECONOMIST: Why some people smoke more than others do