english: Then, in order to keep costs down, the number of tests needs to be restricted, and this means (a) that the tests can only be performed on a narrow part of the population, for example, the high-risk population; and (b) that the number of tests per person needs to be kept at a minimum.
non_english: Onda, da bi se snizili troškovi, broj testova mora biti ograničen, što znači, pod a, da se testovi mogu sprovesti samo na malom delu populacije, npr. u visokorizičnim grupama; i pod b, da broj testova po osobi treba držati na minimumu.