我们前面所指出的，直接指涉是一个体验模式。
We noted earlier that direct reference is one mode of experiencing.
他们从来都不能替代直接指涉，指涉运动和内容转变。
They are never a substitute for direct reference, referent movement, and content mutation.
其效果是，这种类是通过指涉它的实际的例示来定义的。
In effect, the kind is defined by reference to its actual instances.
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