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You can subscribe to a 7 days trial subscription for 3.95 US$ only, in order to see that you like this site very much. If you have not canceled your subcription before 7 days, you'll be switched to the 1 month subscription automatically.

You can subscribe to the 1 month subscription. You pay only 9.95 US$ per month and you are rebilled automatically each month. You can cancel your subscription whenever you want.

You can also subscribe to the 3 months subscription for 24.95 US$ only. You are not rebilled at the end of the 3 months.

More interesting, you can subscribe to the 6 months subscription for 39.95 US$. You are not rebilled at the end of the 6 months.