O 'reilly gives the example of book and product information.
O'Reilly举了图书和产品信息的示例。
For example, the pattern o {2} would match two (and only two) o characters.
例如，模式o{2}将匹配两个(仅仅两个)o字符。
The -o option copies stdin to the named file. Here's an example.
o选项会将stdin复制到指定的file中。
It is a good example of the unity o futility and beauty.
这是实用与美观相统一的典范。
It is a good example of the unity o futility and beauty.
这是实用与美观相统一的典范。
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