The box out of time sooner or later, out of print time sooner or later, affecting the market stock, which in turn affects the price, simply put, the price difference is actually the means of business to make money only. On the one hand, the reason is pricing, for example, is the official key selling price is 17 dollars (because of the exchange rate reasons will change), although the official point of view of the key this kind of thing is endless, but because of the fixed selling price and itself can come to open the box of this hard attribute, and lead to the price will only be fluctuations in accordance with the proportion, and this proportion is related to the player how to get out of it.

The second reason is the market, there will be a fluctuating price, this price fluctuation, it is only related to supply and demand, he is actually a virtual big data, so there are large fluctuations.