日程做了精心安排，以使每一讲都没有重复内容。
The programme has been so organized that none of the talks overlap.
这不仅没有创建我们需要的结构，还造成了内容重复(其中一个版本是没有同步的)。
Not only does this not create the structure you want, it also doubles up the contents (one of which will never be synchronized).
内容重复——如果你的网站有两份完全相同的内容(一个网址有WWW，另一个没有)，那么你可能会被处罚。
Contents duplication - if you have two copies of the same content from your site (one with WWW, one without), you are risking of being penalized.
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