They have existed for decades well before the British colonial era.

Concerns about chemical leaks at the lot have existed for decades.

Those people hold belief systems from a world that has not existed for decades.

But this year, offices that existed for decades are gone.

The families have a connection that has already existed for decades.

This is a country where free media didn't exist for decades, so they are learning.

"It's hard for me to talk about a housing crisis when these conditions have existed for decades," she says.

Some of these have existed for decades and are accredited.

Research to measure emotional response has existed for decades.

Supply relationships that have existed for decades will be disrupted.