成人与儿童之比是1比6。

The adult to child ratio is one to six.

《柯林斯英汉双解大词典》

2013年12月31日，债务与账面价值总额之比为46.6%。

Debt to gross book value was 46.6% on December 31, 2013.

youdao

气体和液体中总的摩尔数之比。

The ratio of total moles in the gas to the liquid.

youdao

They all, I mean, they have similarities, in fact maybe more similar than different.

我是说，它们都有相似之处，事实上相似之处可能比不同之处更多。

普林斯顿公开课 - 人性课程节选

Maybe this isn't exactly insider trading, this is more fraud but in--what year was this?

也许这不算是真正意义上的内幕交易,不过欺诈手段比内幕交易有过之无不及

耶鲁公开课 - 金融市场课程节选

But if the attacker was to attack through the hard pass, again not surprisingly, you do better if you defend the hard pass than the easy pass.

但如果入侵者选择崎岖之途,仍然是毫无疑问,选择防御崎岖之途要比平坦之途好

耶鲁公开课 - 博弈论课程节选