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。

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This shift offers enormous opportunities. But it has also shaken an international economic system forged in the middle of the 20th Century, with patched-up changes in the decades since.

这种转变带来了巨大的机遇，但是同样也动摇了在20世纪中叶形成，并在接下来的几十年中几经修补的国际经济体系。

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

Before Sept. 11 it was easy for Sudeith to transfer money to his contacts using the anonymous, centuries-old Middle Eastern banking system known as hawala.

FORBES: Collectors Guide

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