For polio, as you will know from the report, this is one milestone in the final stretch that has not been met.

关于脊髓灰质炎，你们将从报告中了解到，这是在最后阶段未能达到的一个里程碑。

youdao

If you're writing a book, you could treat each chapter as one milestone.

如果你在写一本书，你可以将每个章节视为一个里程碑。

youdao

If you're writing a book, you could treat each chapter as one milestone.

如果你在写一本书，你可以将每个章节视为一个里程碑。

youdao