资料合并 meaning in English

document merge

" in addition , the identity card number is sometimes collected for unnecessary or trivial purposes . there is also a danger that it can be used to combine personal data held by different organisations , contrary to the privacy interests of the individuals , " mr . lau added
此外，身份证号码有时更会被收集作不必要或无关重要的用途，以及可能会用来将由不同机构持有的个人资料合并，因而侵犯了个人的私隐权益。