两个骰子单双概率一样吗简介：There are a total of 400,000 of these prisoners in China, which sounds like a lot, but after these people are separated into various regions, it is like a drop in the ocean.
There are a total of 400,000 of these prisoners in China, which sounds like a lot, but after these people are separated into various regions, it is like a drop in the ocean.
