Therefore, in a strict way, education is the product of law and the result of different systems.

因此，从严格意义上讲，教育是法律产品，是不同制度安排的结果。

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Using science test results from the major international PISA study, which compares the performance of different education systems, it shows that there are wide differences in the levels of resilience.

BBC: UK pupils 'among least likely to overcome tough start'