In late 2006, the station underwent a period of change.

The area has been undergoing a period of rapid growth.

The women's game also underwent a period of transition in 2008.

"The market's undergoing a period when it's trying to figure out what it wants to do," he said.

Today, as noted, we are undergoing a similar period of transition.

Health and social care services are undergoing a period of substantial reform.

Following the terrorist attacks on 9/11, the station underwent a difficult period.

The university underwent a period of considerable expansion in the 1960s.

During those years, the school underwent a period of tremendous expansion.

They are able to undergo long periods with scarcely any food.