我们用了和过去三年同样的评价方法，你可以在这里阅读细节。
We used the same valuation methodology as have the last three years, which you can read about in detail here.
每三年，报告会详尽说明，并且给每个国家十五岁孩子的阅读，数学，科技能力排个名。
As happens every three years, this will detail and rank the reading, mathematics and science skills of 15-year-olds in each country.
所以在阅读网站上你的的个人资料时，我惊讶地发现资料在2004年被改过，那时我们已经在一起三年了。
So reading your profile again on the website, I noticed with surprise that it had been modified in 2004 - three years into our time together.
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