即便新病毒在未来几个月内威力减弱，世界各国的政策制定者们——他们大多数来自北半球——也不应该愚蠢地认为它在很长一段时间内都不会卷土重来。
The world’s policymakers, most of whom live in the northern hemisphere, should not be fooled into thinking the new virus is going away for long, even if it declines over the next few months.
“收割机”比以往的无人机更具威力，它不仅飞得更高，滞空时间更长，更重要的是它能够携带具有摧毁性的武器。
The Reaper is much more powerful than its predecessors. It not only flies higher, but loiters longer, and – most significantly – carries a more destructive payload.
假如有一瓶魔法药剂，该药剂有力量(strength)、威力(power)和持续效果时间(duration)等属性。
Assume that there is a magic potion, and that the potion has properties including strength, power, and duration.
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