Câu ví dụ #1
1. The researchers still need to edit the pig's genes to avoid triggering a human immune system response and prevent toxic interactions in the blood.
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2. The Pentagon said the encounter between the aircraft was unsafe, but added that the vast majority of interactions were safe.
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3. Autism is a complex brain development disorder characterized, to varying degrees, by difficult social interactions, communication difficulties, and repetitive actions or words.
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