1The company's rudimentary understanding of the market led to a series of costly mistakes.
2Is the current system of governance still rudimentary compared to more developed countries?
3The team's rudimentary prototype was surprisingly effective in addressing the core issue.
4Try not to be discouraged by the rudimentary nature of the initial training program.
5There is a growing concern that the country's rudimentary healthcare infrastructure is ill-equipped to handle a major pandemic.