I base this conclusion not on any individual study, but on large-scale and systematic reviews of thousands of studies conducted in every major English-speaking country.

我的结论不是基于任何个体研究，而是基于对每个主要英语国家进行的数千项研究的大规模系统回顾。

youdao

But in the real world, we see the security dilemma faced by every country.

但这个世界是现实的，每一个国家都面临着安全困境。

youdao

But this is what we call progress, Unfortunately, If you look at every area of technology in this country, as you advance there are fewer and fewer manual-type jobs.

但是很遗憾的是，这就是我们称之为的进步，如果你细看我们国家科技的每个领域就会发现我们每前进一步就要失去一些体力劳动的岗位。

youdao

You have all those things here." The three million visitors who fill the streets of Williamsburg every year are immersed not only in early American life but in the struggle of a small, new country to find its own identity.

VOA: standard.2010.07.03

Based on data from between 2003 and 2009 it shows that our top pupils actually lose ground as they get older, not just with their peers in the Far East, but with those in every country studied.

BBC: Top maths pupils 'fail to keep up with world's best'

But virtually every country in Europe has a birthrate that is too low to sustain the population.

FORBES: The Global Post and Russian Demography: Still Sloppy, Still Hackneyed, Still Wrong

And it is an option that Iran can wield not only against Israel, but against every country in the world.

CENTERFORSECURITYPOLICY: An urgent memo to the next government