Second, it is essential to distinguish between existing and potential terrorists. Existing terrorists need to be stopped before they act; failing that, societies need to protect themselves and have ready the means of reducing the consequences of successful attacks.
其次，区分现有的恐怖分子和潜在的恐怖分子至关重要。需要在现有恐怖分子行动以前制止他们。做不到这一点，各国就需要自我保护，而且需要准备好手段来减少袭击得逞的后果。