继承层次关系的根类应该定义虚函数性质的析构函数，即使这个析构函数不做任何的事情。

The root class of an inheritance hierarchy should define a virtual destructor even if the destructor has no work to do.

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因为在对象之间的概念上的(类型)关系，这些对象继承来自他们最初分类的共有性质。

Because of this conceptual (is a type) relationship between objects, these objects inherit certain common qualities from their original classification.

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死亡赔偿金在性质上不同于精神损害赔偿和“逸失利益”，“扶养丧失说”和“继承丧失说”都存在着弊端。

The death indemnity is different from the spirit damage compensate and "leisurely loses the benefit" in nature; "the nurture loses said" and "inherits loses said" all have limitation.

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