公关是基于反向计算，这是绝对的核心指数。

PR is computed based on backlinks, which are absolutely central to indexation.

youdao

事实是没有一项指标是完善的(关于住房成本在核心指数中的测量是否恰当存在着长期争论)。

The truth is that no index is perfect (there is a long argument to be had about whether housing costs are properly measured in the core number as well).

youdao

在去年的基础上，日本CPI核心指数连续下降了六个月，直到八月份止，创纪录的下跌了2.4%。

Japan's core CPI fell for six straight months, on a year-to-year basis, ending with a record 2.4% decline in August.

youdao

So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.

所以我并没有施魔法，我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。

麻省理工公开课 - 计算机科学及编程导论课程节选