Biological systems have been doing this for billions of years.
生物系统亿万年来都在这样做。
What does the author say we humans have been doing to chimps?
作者说我们人类对黑猩猩做了什么？
One of the concrete ways people have been doing this is by cleaning up polluted habitat areas and then replanting native flowers that humming birds feed on.
人们一直以来采取的保护蜂鸟栖息地的具体措施之一是清理受到污染的栖息地，然后重栽蜂鸟赖以生存的花草。
We have been doing it for years.
我们多年来一直在做这个。
Companies have been doing more with fewer hands.
公司目前用更少的人完成更多的工作。
I have been doing business in China for 25 years.
我已经在中国做了25的生意。
Several countries in Europe have been doing well for some years.
在过去的几年里，一些欧洲国家的情况已经有所好转。
Administrators have been doing what they can to speed up payouts.
管理者一直都在全力以赴加快支付赔款。
Many of our clients have been doing very well on this quoted price.
我们的许多客户在这个报价上都做得很好。
Numerous smaller access providers have been doing so for quite a while.
许多较小的接入服务提供商这么干已经有一阵子了。
Robots have been doing menial jobs on production lines since the 1960s.
从上世纪60年代起，机器人就开始在工厂的生产线上从事卑微的工作。
I just wish you would not interfere with me so much as you have been doing.
我只是希望你不要像以前那样妨碍我。
In the past few years we have been doing this a lot online. It's called tagging!
在过去的几年里，我们在网上就大量地做了这样一件事：标注。
Operators in other countries have been doing their best to imitate Safaricom.
其他国家的运营商也开始尽其所能地效仿萨法利电信公司。
If you get ambitious you could try Russian, as I have been doing for the last two years.
如果你很有抱负的话你可以试着学习下俄语，正如我过去的两年中所做的一样。
Again, the best usage book will show that good writers have been doing so for centuries.
还是，最好的用法辞典应该告诉你，著名作家们已经这么拆分好几百年了。
We have been able to take patients off the transplant list, and we have been doing it consistently.
我们已经能够让病人不必等候心脏移植，我们也一直在做这样的工作。
School starts here next week, which means that I have been doing a little back to school shopping.
下周我女儿就要上学了，这意味着我要去买一些东西为开学做准备了。
What I understand is they have been doing really good stuff in Boston and let's be optimistic now.
据我所知他们在波士顿干得非常不错，我们暂且保持乐观吧。
We are here because we can't afford to keep doing what we have been doing for the last four years.
我们在这里，是因为我们无法再持续过去四年的作为。
With this as background let me offer a simple expression of gratitude for what you have been doing.
在这种情况下，我只想向你们一直以来所做的一切表示感激。
My computer has been busy for 2 minutes and 25 seconds when it could have been doing something else.
我的机器被占用了2分25秒的时间，而这段时间内它可以做别的一些事情。
On the whole, rescue and relief efforts have been doing very well, and great progress has been made.
他说：“总体来说，营救和救灾工作进行得非常顺利，取得了很大进展。”
But there are shining stars, which have been doing well and increasingly better over the past decade.
但是也有一些闪亮的明星，就是那些在过去十年一直做得很好，并且不断完善的国家。
LOUIS GALLOIS, the chief executive of EADS, seems to have been doing his best to make the company boring.
EADS的首席执行官路易斯•加卢瓦为使公司保持低调，已经竭尽全力。
LOUIS GALLOIS, the chief executive of EADS, seems to have been doing his best to make the company boring.
EADS的首席执行官路易斯•加卢瓦为使公司保持低调，已经竭尽全力。
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