The sentence "has experienced substantial changes" is correct and usable in written English
You can use the phrase to describe an event or situation that has undergone a significant transformation over a period of time. For example, "The healthcare industry has experienced substantial changes over the past decade."
8 In the past few decades, Qatar has experienced substantial development and lifestyle changes driven largely by oil and natural gas wealth.
Using airborne laser systems, researchers from the University of Alaska at Fairbanks created the first precise survey of changes in glacier volumes in the region, which has experienced substantial warming in recent years.
Sub-Saharan Africa has experienced substantial urbanisation and land degradation processes over the past three decades.
The main reason for the relatively small change in early and mid-loss ADLs (personal hygiene, dressing and toileting) for residents with severe impairment is likely due to these residents already having experienced substantial decline in these ADLs.
In the remainder of the study, we consider that changing firms have experienced substantial ICT and management changes.
Changing firms correspond to firms that have experienced substantial ICT and management changes.
Note: Treated individuals are workers employed in changing firms, i.e. firms that have experienced substantial ICT and management changes.
This correlation is stronger in firms that have experienced substantial ICT and management changes.
Over the past years, employees have experienced substantial organizational restructuring implicating changes in the design, organization and management of work.
Although new biomedical prevention technologies offer promise for reducing HIV incidence, protective changes in sexual behaviour have been an essential component in all countries that have experienced substantial reductions in the burden of HIV, including Uganda, Zimbabwe and Thailand [1 4].
