亚当建议查明内容复制品的来源，并且把自己所有的链接连回原作，然后给Google提供有关信息，好让它知道哪个版本才是权威的。
Adam offers advice on making sure copies of your content attribute the source and all link back to the original to provide Google information about what version is canonical.
在决定为一个项目应该选择哪个技术产品或版本时，做一次特性研究不失是个好方法。
A features study is a handy tool when trying to decide on which product or version of technology to implement for your project.
哪个版本都没发挥好作用，部分原因在于没人能知道该用哪个版本。
Neither flourished, partly because nobody could figure out which version of the software to use.
但如果你是认真对待你的网站目的的，而且如果测试可以让你明白哪个页面版本能做的更出色，那对与是否做测试还有什么好争论的呢？
But if you are serious about achieving your site's purpose, and if testing can show you which version of a page does best, then where is the argument not to test?
但如果你是认真对待你的网站目的的，而且如果测试可以让你明白哪个页面版本能做的更出色，那对与是否做测试还有什么好争论的呢？
But if you are serious about achieving your site's purpose, and if testing can show you which version of a page does best, then where is the argument not to test?
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