Primary schooling became universal only in the 1990s.
小学教育直到20世纪90年代才普及。
Primary schooling lasts six to seven years and the curriculum is similar across the nation.
小学教育的学制为6至7年，全国各地的小学有着相同的课程设置。
Primary schooling lasts six to seven years and the curriculum is similar across the nation.
小学教育的学制为6至7年，全国各地的小学有着相同的课程设置。
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