外来掠食者最初不受自身掠食者的限制，它们可能会迅速繁殖并击溃预定目标。
Initially unrestrained by predators of their own, foreign predators are likely to be able to multiply rapidly and overwhelm intended targets.
这种策略的支持者趋向于强调这种策略“更为自由”，因为它对软件的使用者的限制更少。
Advocates for this policy tend to stress that it is "more free" because it imposes fewer restrictions on users of their software.
尽管欧共体官员对劳动力流动的好处存有信念，德国和奥地利尽可能地坚持其对新成员国劳动者的限制。
Despite Eurocrats' faith in the benefits of Labour mobility, Germany and Austria have maintained restrictions on workers from new members until the last possible day.
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