任何地方的任何挑战都不得危及我们的目标，这就是消灭一种非常可怕的疾病，使世界得到永久改善。
No challenge anywhere can be allowed to jeopardize the goal of permanently improving the world by driving out a truly awful disease.
任何地方的任何挑战都不得危及我们的目标，这就是消灭一种非常可怕的疾病，使世界得到永久改善。
No challenge anywhere can be allowed to jeopardize the goal of permanently improving the world by driving out a truly awful disease.
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