So the security companies are tied up.

所以安保公司在这些地方是寸步难行。

youdao

To differentiate their offerings, the security companies bundle their antivirus software with those popular features.

为了是自己的服务占据市场优势，安全提供商们会把自己的杀毒软件与这些服务捆绑销售。

youdao

The security companies now are facing a series of huge changes caused from the business circumstances and the market.

证券业正面临经营环境和市场格局的一系列变化。

youdao

Blackwater did not have to compete with any other security companies for the work.

VOA: special.2009.06.19

That is, share repurchase can change the units of measurement in a security and companies have to decide how leveraged the stock will be, which changes the stock price--leverage, meaning how much debt the company takes on.

即 股票的购回会改变,已发行股票的单位数量,公司需要决定,股票的杠杆效用是多少,杠杆会改变股价,杠杆指的是公司举债的多少

耶鲁公开课 - 金融市场课程节选

The White House will only say that companies facing cyber-security threats should deal with the proper authorities.

VOA: standard.2010.02.07

The security companies send the choppers ahead to ensure that the roads are clear.

NPR: Witness Testimony Sheds Light on Blackwater

"It happens that the best security companies in the world are British, so a lot of them come to Britain to look for their security, but they don't go to the British government - they contact the companies directly, " he added.

BBC: NEWS | In Depth | Three Britons die in Iraq attacks

And Samir Samir said he fears the private security companies far more than the U.S. military.

NPR: Maliki Calls Blackwater's Actions a Crime