Note: as with pure data-centric markup, beware of illegal characters weaseling into XML element names.

注意：就纯数据为中心的标记而言，一定要小心那些混入XML元素名称中的非法字符。

youdao

It is free but also illegal through much of Europe, so there is some element of risk involved, plus the only washing facilities are generally a nearby river (if we're lucky).

这样做虽然很自由，但在欧洲的大部分地方是非法的，所以不免有点风险，而且即便是我们很幸运，唯一的盥洗场所只是附近的河流。

youdao

And for action element, the author proves administrative monopoly is a kind of illegal action, and set basis for the paper's basic proposition.

在行为要件中，笔者充分论述了行政垄断应是一种违法行为，为本文的基本命题奠定了基础。

youdao

The much more difficult element is how you police illegal syndicates probably operating a long way away from these shores.

BBC: London 2012: Olympics betting event fixers targeted