You can find examples of one-to-one and many-to-many relationships in the online Grails documentation; see Resources.

在Grails的联机文档中，可以找到一对一和多对多关系的示例，请参阅参考资料。

youdao

These include one-to-one and one-to-many composition associations and many-to-one and many-to-many aggregation associations.

这些包括一对一和一对多构成关联，以及多对一和多对多的聚合关联。

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The town contained several large streets all very like one another, and many small streets still more like one another, inhabited by people equally like one another.

这个城市有好几条大街道，每条街道都非常相似，还有许多小街道也很相似，它们住的人都非常相似。

youdao

There are about one thousand new cases of fistula each year in Kenya and as many as one hundred thousand worldwide.

VOA: special.2010.08.09

This momentary switch-off between the sun and the poet is just one of this poem's many substitutions.

这种太阳和诗人之间,短暂的互换只是这首诗众多替换中的一个。

耶鲁公开课 - 弥尔顿课程节选

He is the author and editor of over 30 books including one seminal book, well, many seminal books, but one in particular that I'll mention, Animal Liberation.

他曾撰写编辑书籍30余本,其中一本影响深远，当然，其中的很多都很有影响力,但是我要特别提到这一本，《动物解放》

普林斯顿公开课 - 人性课程节选

Thousands of properties in Scotland date from before World War One and many desperately require repairs using traditional materials and techniques.

BBC: Historic skills kept alive at Edinburgh Castle

For instance, as I previously wrote, many companies treat social media as a broadcast medium, when social media should be a mechanism for one-to-one and many-to-many conversations with customers, employees, investors, and other key stakeholders.

FORBES: Bubble Deflated, Social Media Will Now Change the World

"Because of their physicality, we were probably getting sucked in into the breakdown and putting one player too many, and one or two too tight, " he added.

BBC: Rob Moffat mulls over Edinburgh team selection