抗生素抗药性不仅代价高昂，也非常危险。
Antibiotic resistance has now become a costly and dangerous problem.
贪图方便和过于懒惰在导致抗生素抗药性的原因中高居榜首。
Convenience and laziness top the list of causes of antibiotic resistance.
尽管弗莱明发出了警告，人们了解抗生素抗药性的起因，也知道怎么应对这一问题，对抗抗生素抗药性仍然困难重重。
Yet despite Fleming's warning and despite a fair understanding of the causes of resistance and how they could be dealt with, dealing with them has proved elusive.
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