She has worked hard at her marriage.
她在婚姻上已经很努力了。
He has worked hard in recent months to portray New York in a better light.
最近几个月他一直努力工作要从一个更好的角度描绘纽约。
The company has worked its way up from humble beginnings to become the market leader.
公司已从创业期的微不足道发展成了市场的主导者。
This exercise program has worked miracles for those who want keep fit.
这个运动项目对那些想保持健康的人来说非常有效。
He has worked very hard recently, so he deserves a week's holiday.
前一段他很辛苦，现在休息一星期是应该的。
He has worked here since 1998.
他从1998年起就在这里工作。
He has worked her for two years.
他已经在这里工作两年了。
He has worked there all his life.
他在那里工作了一辈子。
But it is a system that has worked.
不过这是一个行之有效的管治体系。
Rain has worked in through the roof.
雨水透过房顶逐渐渗进屋子里。
And in many ways, the law has worked.
从许多方面看，这项法律起到了作用。
He has worked five years in that bank.
他在那家银行已经干了五年。
It is a canny strategy and has worked well.
这是一项精明的策略，而且运行良好。
The international response has worked well.
国际反应做的很好。
She has worked all day to finish the dress.
为了要做好那件洋装，她已经工作了一整天。
有哪些有用？
He has worked for us ever since he left school.
他离开学校以后就一直为我们工作。
My father has worked there for about twenty years.
我爸爸在那里工作约二十年了。
Steve has worked at this company for only short time.
史蒂夫在这家公司工作只有很短的时间。
Until now, though, nobody has worked out what happened.
但是直到现在也没有人弄明白这期间到底发生了什么。
Many want a boss who has worked in more than one country.
很多公司想要一个在不止一个国家工作过的老板。
It is the first one of its kind that has worked so clearly.
这也是同类试验中第一个效果如此明显的试验。
He has worked in companies like IBM and Accenture in the past.
曾在IBM和埃森哲等公司任职。
His group has worked out how to make nanotubes into thin films.
他的团队已经解答了如何把纳米管制成薄膜的问题。
They find a system that has worked in the past and optimize it.
他们找到一个在过去表现很好的系统，并优化它。
It's also the first time that a drug has worked so late in life.
它也是第一次一种药物作用于生命的较晚的时期。
It's also the first time that a drug has worked so late in life.
它也是第一次一种药物作用于生命的较晚的时期。
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