Being able to quantify uncertainty, and incorporate it into models, is what makes science quantitative, rather than qualitative.

量化不确定性，然后将其融入到模型中去正是将科学量化的方法，而不只停留在定性的层面上。

youdao

It is pretty obvious that it will be a qualitative rather than a quantitative study.

这是相当明显，这将是一个定性而非定量研究。

youdao

It says that most investors would be better off simply buying a low-cost index fund that holds all the securities in the market rather than using either quantitative models or intuition in an attempt to beat the market.

WSJ: Book Review: Models Behaving Badly

Rather than the interaction pattern analysis which is essentially a counting or quantitative problem, we are now looking for the deeper meaning, a qualitative problem.

FORBES: Finding Influencers and Influential Events On The Social Web

In an interview for the Aberdeen Press and Journal at the weekend, the Bank's chief economist, Spencer Dale, said it would not be appropriate for the BoE to restart its quantitative easing programme if supply-side problems, rather than a lack of demand, were the reason for the UK's weak economic recovery.

BBC: Is the Bank of England doing enough?