Bar a plateau in 1989, there has been a rise in inflation ever since the mid-1980s.

自20世纪80年代中期以来，除了1989年稳定之外，通货膨胀一直在增长。

《柯林斯英汉双解大词典》

The subject of rock 'n' roll has been controversial and a source of conflict between parents and children ever since it first appeared on the scene in the mid 1950's.

自从二十世纪五十年代中期诞生以来，摇滚乐就一直是父母和孩子之间冲突的原因之一。

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In the mid-90s South Africa was negotiating its biggest weapons buying deal ever with a clutch of arms manufacturers.

90年代中期，南非与一系列军火商就一起南非有史以来最大的军火合同谈判。

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This made me think of Mississippi Gene too and as the river poured down from mid America by starlight I knew, I knew like mad, that everything I had ever known and would ever know was One.

这又使我想起密西西比的吉恩,以及河流从美国中部倾斜而下的景象，我知道是很疯狂地，很疯狂地同样也有，我发现所有我知道或未知的事都是一体。

耶鲁公开课 - 1945年后的美国小说课程节选

The combination of the credit crisis and resulting recession, plus improvements in technology and the high prices themselves opened up previously untapped natural gas fields in the U.S. A glut of supply sent prices tumbling, which has been the trend ever since mid-2008.

FORBES: 2012 Outlook: Natural Gas Prices Likely To Remain Under Pressure, For Now

If you've ever used a modern, mid-range or above DJ controller, you'll be on familiar ground.

ENGADGET: Pioneer XDJ-Aero review: a DJ controller that loves music, hates physical formats

The first U.S. armed drone attack, which appears to be the first such strike ever, took place in mid-November 2001 and killed the military commander of al Qaeda, Mohammed Atef, in Afghanistan.

CNN: A dangerous new world of drones