Before revision:  Besides, we proposed two recommendations to the designers of eHMI : (1) when a pedestrian is engaged in an interaction with the AV, the driving intentions of the AV should be provided;
After revision:  Besides, we proposed two recommendations to designers of external human-machine interfaces (eHMI) : (1) when a pedestrian is engaged in an interaction with the AV, the driving intentions of the AV should be provided;