设联盟成员a与b合作成功的次数为3的翻译：Members of the Union established a number of successful cooperation with b 3 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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Members of the Union established a number of successful cooperation with b 3

Supposes alliance member a and b cooperates the successful number of times is 3

Members of the alliance established a successful cooperation with B for the number 3

Members of the Union established a number of successful cooperation with b 3