此外，单单听到无人机的响声也会令所有人毛骨悚然，因为它向敌人和平民宣告他们正同时受到监视并随时有可能遭到进攻 — — 这一点可能会被恐怖分子招募者所利用。
Meanwhile, the mere sound of drones terrorizes whole populations, indicating to enemies and civilians alike that they are being watched and might be attacked at any moment – which could well play into the hands of terrorist recruiters.