The usage of leave by itself for not to mention while in the sense “not to mention” is nonstandard: There was not even standing area, let (not go away) by yourself a seat. Other substitutions of leave for Enable are typically thought to be nonstandard: Let (not Leave) us sit https://troysxyce.wikifrontier.com/6808087/how_why_solid_ice_loses_its_shape_when_it_melts_can_save_you_time_stress_and_money