But the Journal found new tools that scan in real time what people are doing on a Web page, then instantly assess location, income, shopping interests and even medical conditions.
日报发现的新工具却可以实时扫描人们在网页上做什么，随即便能估定出位置、收入、购物兴趣乃至医疗状况。
If for some reason it isn't, then the meta-data needs to be fixed, but instead of performing an exhaustive meta-data scan (like FSCK) it instead takes a look at the journal.
如果由于某些原因出了问题，那么就需要对元数据进行修复，但不是执行对元数据的彻底扫描(就像fsck那样)，而是查看日志。
If for some reason it isn't, then the meta-data needs to be fixed, but instead of performing an exhaustive meta-data scan (like FSCK) it instead takes a look at the journal.
如果由于某些原因出了问题，那么就需要对元数据进行修复，但不是执行对元数据的彻底扫描(就像fsck那样)，而是查看日志。
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