These norms may be observed in overt types of evaluative behavior, and by the uniformity of abstract patterns of variation which are invariant in respect to particular levels of usage.

• 这些规则可在可评价性行为的外在类型上观测出来，也就是通过对变异模式抽象出其一致性，因为这种模式在某种使用层面上来说是稳定的。