India recognizes many proofs of identity such as driving licenses, passports,birth certificates and ration cards but many poor people have none of these.

VOA: standard.2009.09.24

There was not fancy, but having a chance, having a beauty together, sitting down around the table, being presented with graduation certificates gradually and individually.

没有幻想，但借此机会，所有人度过了美好时光，他们围坐在桌前，一个一个地,颁发毕业证书。

麻省理工公开课 - 媒体、教育、市场课程节选

She was part of the clinical trial that did this, and they gave everybody certificates after it was done.

她当时就在参与疫苗的临床试验,试验后他们会给每个参与者颁发一个证明

耶鲁公开课 - 生物医学工程探索课程节选

Determining Muse's true age is difficult because birth certificates are rare in Somalia,a country which has not had a functioning government for nearly two decades.

VOA: standard.2009.04.22

The goal is to help an additional 5 million Americans earn degrees and certificates in the next decade, better qualifying them for the jobs of the 21st century.

VOA: standard.2009.07.14