"Sustained growth" refers to a consistent and continuous increase in a particular aspect or area over an extended period of time. It means that something is growing steadily without sudden or sharp declines. Full definition
Commercial properties in most markets enjoyed sustained growth of demand, high occupancy rates, rising rents and rising prices. (reit.com)
The drop follows four years of sustained growth in the graduate recruitment market and contrasts with employer forecasts at the start of this year for growth of 2 % in vacancies this year. (theguardian.com)
It is a prerequisite for sustaining growth in living standards. (rba.gov.au)