As you will have heard, a couple of local primary schools have also been vandalised recently—despite the presence of security guards.

正如你所听到的，当地的几所小学最近也遭到破坏——尽管有保安在场。

youdao

After using Firefox as my primary browser for a couple of years, I'm surprised at the overall speed of Chrome.

把火狐当作自己的主要浏览器软件用了几年之后，我非常惊奇于Chrome浏览器的速度。

youdao

But then there are the signs, really quite a lot of them, to the schools: primary schools, "basic" schools (which give a couple of years of secondary education) and Lumezi's secondary school.

不过，看到了相当多标记的学校：小学、“基础”学校(提供一两年的初中教育)，还有卢迈孜中学。

youdao

In nature, we see the fantastic diversity generated by a few basic structural elements: no more than a hundred varieties of atoms and a couple of primary colors, lead to a universe of infinite beauty and diversity.

FORBES: Creativity Must Have Structure

Many of the pupils from Overleigh St Mary's Primary School, waited to greet the couple outside the museum.

BBC: NEWS | UK | England | Merseyside | Honorary degree for prince's work

Another example is found in the case of a married couple where one spouse is the primary wage earner and dies prematurely.

FORBES: Magazine Article