单双出现规律的公式简介：This is normal. Most people go straight to the official ticket purchase window. Who would choose a tour guide? Moreover, even if you don’t buy the official one, you will only choose the one from the local folks.
This is normal. Most people go straight to the official ticket purchase window. Who would choose a tour guide? Moreover, even if you don’t buy the official one, you will only choose the one from the local folks.
