Before,people with special needs were often prevented from physical activity out of concern that they would hurt themselves or be unable to compete.

VOA: special.2009.08.23

Milton represented himself as a poet more often and with more care and attention than any English poet before him.

弥尔顿比起之前的英国诗人,更经常把自己描绘成诗人。

耶鲁公开课 - 弥尔顿课程节选

And that does two things: bug one, it helps catch bugs in your code, and secondly it often converts it into a more efficient sequence of instructions before you actually go off and run it. All right?

这有两点好处：,第一是可以帮助你发现程序中的，第二是把你的代码,在运行之前,转换为更有效率的指令的集合，对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

Passengers often pay no attention to those safety directions before a flight.

VOA: special.2009.01.30

It's often fanciful; it relates imaginatively events which it claims Happened in historical time, not in a primordial realm before time, And a myth is designed to explain some kind of practice or ritual or custom or natural phenomenon.

它常常天马行空，关乎一些想象中的事件,它们发生在有历史记载的时期，不是在史前原始王国，所以杜撰故事一般都是来解释一些惯例,或者仪式和风俗或者自然现象。

耶鲁公开课 - 旧约导论课程节选

She often did things long before they became accepted in society.

VOA: special.2009.05.10

"While passions and politics can often obscure the hard work before us,let's be clear about what this moment demands, we are at war,"

VOA: standard.2010.01.19