{{ knowledge.learning_time_s | time : 's' }}/{{ knowledge.period | time }}
{{"app:reposit:reading:duration" | translate}}
{{'app:reposit:reading:tip' | translate: {key: (knowledge.period >= 1 ? knowledge.period + ('app:history:min' | translate) : knowledge.period * 60 + ('app:reposit:second' | translate))} }}