The difference between the first sign and the last sign is that the first sign refers to the first sign drawn, and the last sign refers to the penultimate sign drawn. The difference between them lies in the different order.
Praying for a sign means that superstitious people draw lots in front of the Buddha to predict good or bad luck. It is a folk custom in China, and it is also one of the forms of divination. At present, Taoist temples, temples and folk temples have mostly placed sign boxes for people to draw and ask for directions. Shangshangqian originated from the traditional folk culture of "seeking a visa" in China. "Going to Shanghai" means "the best" and "going to Qian Shang" is a symbol of good luck and luck. Zheng Zhongsheng's answer to C Rong is for reference only. Please don't be blind and superstitious.