In general, it's free to create a shop, but the site will charge a small listing fee and/or sales fee.
一般来说，建立一个网上商店是免费的，只是站点会收取少量的挂牌费和交易费。
(e.g., is all content free or are there restrictions on access, is registration necessary, etc.) If there a charge to access the website, how does this fee compare to other available materials?
(即，是否所有的内容都是免费的，或者对访问采取了限制措施；是否需要注册，等等)如果在访问网站时需要收费，与可以从其他途径得到的材料相比，其收费标准如何？
Most of the apps we found charge a monthly or yearly fee. We do not.
我们发现，大多数应用程序都会按月或年收费，而我们不收费。
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