However, there are ways around this, because we all know that there are tons of untried ideas still out there, and plenty of them will turn out to be every bit as reliable as we need, it's just that we don't yet know they are reliable when we are at this planning phase.
Azonban vannak megoldások, hiszen mind tudjuk,  tonnányi kipróbálatlan ötlet létezhet. Köztük rengeteg olyan, ami pontosan  annyira megbízható, amennyire kell, csak nem tudunk a létezésükről a tervezésnek még ezen szakaszában.