youdao

The Middle East is like a system by itself.

中东地区自身就是一个整体系统。

youdao

Only at middle age do you get presented the check for this exhaustion of your system.

只有到了中年的时候，你才会去检查你的身体系统的消耗状况。

youdao

President Obama said the current system has led the country to a breaking point, imposing hardships on middle-class Americans who struggle to pay for health care, who are unable to obtain it.

VOA: standard.2009.09.10

And, Aristotle gave us this system, which persisted almost through the Middle Ages. And, Aristotle gave us this, and I'll leave you with this.

他带给我们这个系统，一直统领着我们,直到中世纪，亚里士多德给了我们这个，你们自己看吧。

麻省理工公开课 - 固态化学导论课程节选

In its School Organisation Review, Suffolk County Council is replacing the three-tier system of primary, middle and secondary schools with the two-tier system which cuts out the 40 middle schools.

BBC: Suffolk's middle schools closure programme starts

In April 2005, the council agreed in principle to change from the current system of first, middle and high schools to a system of primary and secondary schools.

BBC: NEWS | UK | England | Tyne | School shake-up talks to continue

Frustration in the universities is matched by outrage among Tories, who are afraid of damaging standards and biasing the system against middle-class applicants.

ECONOMIST: Public-service reform