It helps, too, if a mechanism for ending sanctions is made clear at the outset; they are easier to impose than to lift, and the sanctioned regime is unlikely to make even small concessions if these are not greeted with some easing of the boycott.

• 此外，如果在一开始就能够明确制裁的解除机制，那么它也有颇多益处；实施制裁比解除制裁要容易，而且如果制裁方不能减轻制裁的强度，那么被制裁方也几乎肯定会寸步不让。