The phrase "a great complex" is correct and usable in written English.
It can be used to describe a large or intricate system, structure, or collection of related elements.
Example: "The city is known for its great complex of museums and cultural institutions that attract visitors from around the world."
Alternatives: "a vast network" or "an extensive system".
A great complex of technical and auxiliary schools, such as for cavalry and engineering, filled in the system.
"It will make a great complex of museums," Deborah Brasher said, "which the town fathers, including the Chamber of Commerce, are very enthusiastic about".
He told me that even though writers have used the expression "rocket science" to mean a great, complex type of intelligence, "rocket science is in many ways simpler than medical research and disease management.
The town, which was deserted only a few years after it was built, is a great complex of palaces and lesser residences and religious and official buildings, all erected on top of a rocky ridge 26 miles (42 km) west of Agra.
John Martin was a great, complex folk singer, and later on, his music became more and more melancholic as he went through a separation with his wife.
It will be of great interest to determine whether TALPID3 and C2CD3 function in parallel, or as part of a greater complex necessary for GLI processing, centriolar docking or transition fiber formation.
They put forth a slew of great complex sauces and flavors but getting the black bean sauce, whether with scallops or razor clams, is always a safe bet.
A feminist, Burton writes great complex female characters who aren't just defined by what the men in their life are doing.
"It was a great apartment complex," Ms. Hillsten said.
A great industrial complex has been built up at Avilés and has resulted in a large increase in its population.
There is a great and complex beauty to the drumming, sounds and silence and simple beats and intricate meshes of precisely articulated rhythms.
