Please give your ideas with inheritance, aggregation, composition and multiplicity of association for the whole scenario use of the system?
请给你的想法和继承，聚集，成分和为系统全部局面使用 结合的重复性。
In UML, an association relates two or more classes in a model and is indicated by an arrow on one end along with a number implying the multiplicity of that association.
在 UML 中，关联与模型中的两个或多个类有关，关联由带数字的单箭头表示，数字意味着该关联的多重性。
A multiplicity of '1' is always introduced on the outside edges, as you can see in Figures 11 and 12, to preserve the overall multiplicity of the original association.
值为' 1 '的复合度总在外边缘引入，如图11和12中所示，以保留原始关联的整体复合度。
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