The merger has been on the cards for some time now.

合并的事情已经酝酿了一段时间。

《牛津词典》

Digital television has been around for some time now.

数字电视已经面市一段时间了。

《牛津词典》

These accusations have been going on for some time now, but it is just sour grapes.

这些指控到现在已经持续有一段时间了，但那不过是酸葡萄心理而已。

《柯林斯英汉双解大词典》

"And there have been reported sightings of him for some time now.

VOA: standard.2009.09.15

Now the nice thing about this is that the degradation mechanisms seem to persist for some period of time, beyond the time at which you deliver the double stranded RNA; whereas, obviously, this mechanism here is only going to exist for as long as the anti-sense sequence is present.

而好消息是降解过程会持续一段时间,比你转入双链RNA的时间要长,但是,这种机制只会在,有反义链的时候发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

"Our emphasis in Canada for some time now,particularly since we extended our mission, has been the necessity of seeing the Afghan government accept and be able to handle greater responsibility for the day-to-day security of that country,".

VOA: standard.2009.09.16

Nevertheless, a carefully orchestrated reconciliation of sorts has been under way for some time now.

NEWYORKER: Let��s Be Friends

Improved oversight of paid preparers has been a goal of the IRS for some time now.

FORBES: IRS Targets 100,000 Tax Professionals For Noncompliance

For some time now, the region has discerned opposing strains in Beijing's foreign policy.

CNN: VIEWPOINT