Stepping - stoneStepping stone stepping stone; plural noun: stepping stones; noun: steppingstone; plural noun: steppingstonesa raised stone used singly or in a series as a place on which to step when crossing a stream or muddy area.
... [مشاهده متن کامل]
an action or event that helps one to make progress towards a specified goal.
"the school championships are a stepping stone to international competition"
