Notice that the code is not plain HTML, but actually XML with namespaces, with added property elements.

请注意，此代码不是纯html，而是带名字空间的XML以及所添加的property元素。

youdao

His articulation is not plain enough to understand.

他的发音不清楚，不易听懂。

youdao

However it is not plain what these disparate examples have in common.

ECONOMIST: Goldilocks politics | The

James Janaway, who farms arable land in the Czech Republic and Romania as well as Hampshire, explains that farming in Eastern Europe is not plain sailing for Britons.

ECONOMIST: Farming

But it is not the plain-talking Bush we know so well.

WSJ: A Sourpuss? Moi?