其二，是指将数据与现实世界对象关联的语言。
It is also about language for recording how the data relates to real world objects.
如果政策能打破辅导和收入之间的关联，这个目标也许能成为现实。
If its policies break the link between tutoring and income, it may yet become fact.
如果政策能打破辅导和收入之间的关联，这个目标也许能成为现实。
If its policies break the link between tutoring and income, it may yet become fact.
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