This obviously would be a very complicated and expensive process.

It is a complicated process, as this data has been protected in many different ways.

This is a complicated process, with at least two levels.

The launch of any new product, in whatever industry, can be a long and complicated process.

Migration from the city was a complicated process which started in 90s.

"It's a complicated process, not something that we can do in a day."

"We have a very complicated process that doesn't really work and needs to be straightened out."

Passing legislation into law is often a complicated and long process.

It allows for a complicated process that could take a decade.

It has made an already difficult process even more complicated.