It is also not mentioned in high-school history textbooks .

这也没有在高中的历史教科书中提到。

Socialism was mentioned only once .

演讲中只有一次提到了社会主义。

Examples mentioned here are personal .

以上提到的书都是我个人喜好。

I just mentioned my doctoral dissertation .

我刚才提到了我的博士论文。

In an earlier paragraph I mentioned immigration .

我在上文中提到了移民。