SSDS you can think of as a structured data store in the cloud(building block service), which is accessed using Internet protocols using a basic data manipulation language.

你可以认为SSDS是一个可以存储结构化数据的云（用以构建大型应用），你可以使用基本的数据操作语言通过互联网协议对它进行访问。

youdao

Process-intensive methods invoked on a service should not block the entire process.

服务上调用的进程密集型方法不应该阻塞整个进程。

youdao

Their page requests flow through a web monitoring service, which can block or report access to certain sites.

通过网络监督服务，雇员上网访问页面的指令可能会被阻止，或被发送到另一网站。

youdao

Then,Saudi Arabia said it would block BlackBerry service this week.

VOA: special.2010.08.06

Obviously,so-called "closed societies" can slow and block Internet service.

VOA: standard.2010.03.09

In that scenario, says Free World Dialup's Pulver, a carrier could block service and effectively make its own VoIP product the only available option.

FORBES

Tax regulators who cannot define the service and want to regulate it are striving to block the service in New York and Washington.

FORBES: Does the Government Hurt Innovation?

So, ultimately, if Mitch McConnell or John Boehner say, we need to go to catch a plane, I can't have Secret Service block the doorway, right?

WHITEHOUSE: President Obama Makes a Statement on the Sequester