However, it would be difficult to define restrictions to countermeasures on the basis of this criterion, because the distinction would not always be easy to make and moreover the fact of impairing a certain function may have an impact on the exercise of other functions.
然而，很难依据这一标准来界定对于反措施的限制，因为并不总是容易作出这一区分，而且妨碍某项职能有可能对履行其他职能产生影响。