It's hard to uproot deeply held beliefs about cancer screening with scientific data.
很难用科学数据来根除人们对癌症筛查根深蒂固的观念。
Screening sunlight from the sky with sulphates is not, though, the only suggestion around.
利用硫化物过滤阳光并不是唯一的建议。
However, most screening tests bring with them a certain amount of errors.
然而大多数的筛选测验本身会出现一些错误。
Animal screening is the traditional screening method with hard work and low efficiency.
传统的动物筛选模式劳动强度大，效率低。
Animal screening is the traditional screening method with hard work and low efficiency.
传统的动物筛选模式劳动强度大，效率低。
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