The event selector string should be a valid XPath expression that is used by the CEI server to match events.

事件选择器字符串应当是有效的XPath表达，CEI服务器利用它来匹配事件。

youdao

And this raises the question of how important it is, if at all, to match known historical events to present-day locations.

BBC: Magazine

Faced with the facts, Ginsberg and her team developed Stir Events by Match.com, where singles can casually mingle while taking a cooking class, going on a scavenger hunt, or hitting the bowling alley.

FORBES: CEO of Match.com Talks Stir to Sexts

Match.com encourages people to invite friends to events, which are occasionally attended by Match.com mouthpiece Alex Michel , formerly of ABC's The Bachelor.

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