A longitudinal study of 30,000 Canadian students recently found PISA scores to be more accurate than report-card grades in predicting which kids will go to college.

最近一次对3万名加拿大学生的纵向研究发现，与成绩单上的分数相比，PISA分数更能预测孩子是否适合去上大学。

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A longitudinal study of 30, 000 Canadian students recently found PISA scores to be more accurate than report-card grades in predicting which kids will go to college.

最近一次对3万名加拿大学生的纵向研究发现，与成绩单上的分数相比，PISA分数更能预测孩子是否适合去上大学。

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And even the American game has variants, as there are slightly different rules for the versions played by college teams, professional teams and Canadian Football League teams.

甚至连美式足球赛事也有各种不同，大学队、职业队和加拿大美式足球联盟球队的赛事略有不同的规则。

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Several years ago, Wrigley and The Princeton Review surveyed American and Canadian college students about their study habits and found that of the students who chew gum while studying for exams, 41% do so to combat stress while 23% do so to increase concentration.

WSJ: Wrigley, Other Gum Makers Seek to Stimulate Gum Sales