二级页面就是在一级页面上的链接，当然一级页面指网站主页的链接的页面。动态2级页面就是指的在动态网页中，网页里面会再出现很多的链接，点击每个链接打开出来的页面就是2级页面，故动态2级页面就是指的这个意思。
来自主页和二级页面的能量总是会因为包含太多的主题而分散掉。
Too often the energy from a home page or second level page is spread too thinly across too many topics.
所以你可以从二级页面中挑选一个。挑一个潜在客户流量最多，竞争最小的。
So you look at the second level pages and pick one of those. You pick one that has most potential for visitors and least amount of competition.
网站访问者进入网站主页，面临两个选择：进入网站二级页面；或者点击后退键离开网站。
Your site visitors are faced with only two choices once they're on your homepage: Either they click past the homepage to your site's secondary pages, or they click the back button and leave your site.
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