如果在任何时候资源获得具有适当类值的适当特性，那么无需显式声明，它会自动成为这一虚拟类的成员。

If at any time a resource acquires the right property with a value of the right class, it automatically becomes a member of this virtual class, without needing to be explicitly stated as such.

youdao

通过从这一约束条件划分子类， RelevantResource 类成为一种包含一个所有满足该约束条件资源集合的虚拟类。

By its subclassing from this restriction, the RelevantResource class is a sort of virtual class that includes a set of all resources that meet the restriction.

youdao

不支持访问从虚拟基类继承的数据字段。

Access to data fields inherited from a virtual base class is not supported.

youdao

So it was all these like, fake movie posters that she made for fake movies that weren't real.

所以那儿全是这类的东西，她为虚拟电影做的虚拟海报。

SOHO的画廊 - SpeakingMax英语口语达人