What it means is that this is advice that's absolutely essential for breaking through from career start to middle management, but it's not the advice that gets women to break through from the middle, where we're 50 percent, to senior and executive positions.
Lo que significa es que tales consejos son esenciales para ascender como máximo a una posición de nivel medio, pero no sirven para que las mujeres pasen de allí, donde somos el 50 %, hasta altos cargos ejecutivos.