八个国家之中已有四个的货币盯住欧元。

For four of the eight the euro is already their monetary anchor.

youdao

自1973年以来，我们在人均收入方面渐渐失去了优势，到80年代，十个工人中有四个的收入下降。

We had been losing ground in average incomes since 1973, and by the 1980s, four in ten workers were experiencing declining incomes.

youdao

通过直觉去捕捉文档中首次出现的三个术语而非第四个的做法，是确定某单一主题的一部分【这就合乎我们的直觉：前三个词属于一个话题，第四个不是】。

This captures the intuition that the first three terms, but not the fourth, are part of a single topic.

youdao

In Book One alone there are four primary instances of what we can think of as this primary simile dynamic.

仅第一本里就有四个主要的例证,我们可以看作最初的明喻来源的动力。

耶鲁公开课 - 弥尔顿课程节选

So by parallel we mean - they're either both spin up remember that's our spin quantum number, that fourth quantum number.

所以我们意味着,它们都是自旋向上,记住我们的自旋量子数，是第四个量子数。

麻省理工公开课 - 化学原理课程节选

As you can see, it's nothing but a pattern of four bars plus four bars plus four bars plus four bars.

大家可以看到,它只不过是一种模式,若干段四个小节的叠加

耶鲁公开课 - 聆听音乐课程节选