Very few sites (5%) can charge for admission or require membership, and many people avoid sites with these barriers.

非常少的（5%）的站点才能要求用户付费或者注册会员，许多用户会因为这些障碍远离一个站点。

youdao

Very few sites (5%) can charge for admission or require membership, and many people avoid sites with these barriers.

非常少的（5%）的站点才能要求用户付费或者注册会员，许多用户会因为这些障碍远离一个站点。

youdao