Susan Calvin: That's right. You are unique.
苏珊·加尔文:是,你是独一无二的。
Even Darwin, he says, believed that subspecies could, under the right circumstances, become a unique species someday.
他说,即使达尔文也相信,在适当的情况下,亚种可以有一天成为一个独特的物种。
This means using the right HTML tags and having a unique title and appropriate meta data for each page.
这意味着要为每一个网页用合适的HTML标签、有一个独特的标题和适当的元数据。
应用推荐