سپهر

someone else publishes or announces the same idea first

خلأ پژوهشی یک بخش/زاویه ی خاص هنوز درست بررسی نشده است

short section next to the road ( like a recess or niche ) where you are allowed to stop only in emergencies ( e. g. , car breakdown, sudden health is ...

traffic gets congested / blocked / forms a line of stopped cars

هوشیاری