Many roadside weeds and tree leaves are edibles, but gotta be careful as some are mildly poisonous
Examples are moringa leaves, young mango tree leaves, pumpkin leaves, bitter gourd leaves, chilli leaves, mani leaves, peperomia pellucida, sweet potato leaves, monkey's potatoe, aloe vera, ....
Me always eat outside: 外面的”菜” 比家里的好吃.