前两个都是软件翻译的吧,问题多多,我来个手工的
A and B are of the same type whlie C and D belong to another type.There's some relationship between the two types.
希望能帮到你,祝你开心进步^_^
A and B, C and D is A are another group, the two existingrelationships between classes A和B是一类,C和D是另一类,这两类之间存在关系。
the relationship between group A and B and group C and D is....
A and B, C and D is A are another group, the two existing relationships between classes
A and B, C and D is A are another group, the two existing relationships between classes.