English (Source)
Towers gain experience <Highlight>{{TOWER_EXP_GAIN_CHANGE_PERCENT:percent}}%</> faster but upgrading them with gold costs <N_Highlight>{{LEVEL_UP_COST_CHANGE_PERCENT:percent}}%</> more.
Russian Translation
Башни получают опыт на <Highlight>{{TOWER_EXP_GAIN_CHANGE_PERCENT:percent}}%</> быстрее, но их улучшение за золото стоит на <N_Highlight>{{LEVEL_UP_COST_CHANGE_PERCENT:percent}}%</> дороже.