Does Shvoong.com pay?

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Maybe you have heard of shvoong.com. I've a question "Does it really pay?".the site looks good but I am confused with their payment.How do they pay royalty to the writers? The site contains google ads.Does it mean that they pay a certain portion of revenue from google adsense? Are you a member of Shvoong.com? Can you plaese share your experience of being a member of that site?