During the past generation, the American middle-class family that once could count on hard work and fair play to keep itself financially secure has been transformed by economic risk and new realities.

在过去的几十年里，美国的中产阶级家庭曾经依靠努力工作和公平竞争来保证自己的财务安全，但现在的经济风险和新出现的情况已经改变了这种状况。

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While the influence of luck cannot be ignored, this is not to say that one should depend on it and ignore the value of hard work.

虽然不能忽略运气的因素，但这并不是说人应该依赖运气而忽视努力的价值。

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The families and individuals that experience homelessness and the advocates that work so hard on this issue know that we need to act with a renewed sense of urgency.

这些无房的人们和为解决这一问题努力工作的人们都认识到，我们必须进一步增强做好这件事的紧迫感。

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"You know winning a gold medal on the field of play is one thing that speaks to your hard work and your dedication to being an elite athlete.

VOA: standard.2010.02.27

This is the remarkable thing about so many of Milton's similes: they're always bursting out of whatever critical or theological constraints that we work so hard to impose on them.

这是弥尔顿的比喻中的亮点：,它们总是能从我们强加的,无论多批判多神学的束缚中,挣脱出来。

耶鲁公开课 - 弥尔顿课程节选

So I just sit in there and work on, work on the sounds that are hard for my English tongue to produce.

有一些和英语发音不同的地方让我感到很难，我会长时间地练习这些发音。

想学好英语吗？ - SpeakingMax英语口语达人

"You feel like your game is coming back and another injury creeps up, but I just stuck myself in there and said that you need to work on the physical side, and I worked hard on that, " he said.

CNN: Singh sees off Molinari to seize Scottish Open crown

Bloomberg is citing -- you guessed it -- "people who have been briefed on the plans" as saying that Apple is hard at work on taking the iPhone downmarket with a new model that's roughly one-third smaller than the existing iPhone 4, possibly with the intent on delivering it midyear using mostly carryover components from the iPhone 4 to keep pricing down.

ENGADGET: Bloomberg: Apple working on 'cheaper, smaller' and dual-mode iPhones, trying to kill SIMs along the way

Since we launched We the People, our team of developers has been hard at work on the code that makes the whole thing tick.

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