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1.
Avoid contact with another person's blood.
避免接触别人的血液。
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2.
One approach, which sounds simple enough, is try to program them to avoid contact with people altogether.
其中一项进展,听起来相当简单,是通过程序避免它们接触人类。
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3.
Populations in affected countries are advised to avoid contact with dead migratory birds or wild birds showing signs of disease.
建议受染国家的人群避免接触候鸟死尸或有疾病征兆的野鸟。