Ш6
ОДИН ШАГ от чего до чего
collNPsing onlyusu. impers predic with copula
fixed WO it does not take much for one phenomenon, condition, emotion etc to develop into another more serious, significant etc one or to turn into an opposite or contrasting one: от X-a до Y-a один шаг - itfs only one (a short, a single) step from X to Y
it's but a short (a single) step from X to YY is only one (just a) step away from Xfrom X to Y is but a single step.