What's really been missing is the right algorithm to connect the two components.

VOA: standard.2010.04.15

and it struck me that that there was a lot missing from the picture that has been given in Washington as they were trying to set policies that would affect education, that would affect the regulation of entertainment in terms of understanding of young people's relationships to technology.

让我感到震惊的是,在整件事情上还有许多东西不为人所知,在华盛顿这些都展示于世人面前,正如他们在制定政策,能够影响教育的发展，影响娱乐业的行业规则,至于了解,年轻人与技术的关系。

麻省理工公开课 - 媒体、教育、市场课程节选

It had been fixed with a piece of blue paper and the upper right hand corner was missing.

VOA: special.2009.01.17

Not all the bodies have yet been recovered. Some are still missing and hundreds of people have been left homeless.

VOA: standard.2009.10.10

More than 30 people remain missing there. The government says as many as 88,000 people have been displaced by the disaster.

VOA: standard.2009.09.07

Many of them have been released on bail but others remain missing.

VOA: standard.2009.06.21

Three other people are missing and presumed to have been killed.

VOA: standard.2009.09.07

Some missing planes have never been found. Indonesia's airline industry has come under scrutiny in recent years after a series of crashes of both commercial and military aircraft in which hundreds of people have died.

VOA: standard.2009.08.02