Its first 12 years were spent in the development stage.

Remember what your children need at their current stage of development.

Now we must look to the next stage of development.

However, by June 2009 the project was still only in the development stage.

"They're almost all in the development stage and running a high risk."

However, the series never got past the development stage, as no studio would take on the project.

He said that women could never reach this stage of development.

The last stage of development should be completed in 2015.

However, they are still in the early stages of development.

The project had been in various stages of development since 2003.