中学教育是免费的义务教育。

Secondary education is compulsory and tuition is free.

youdao

九年制义务教育是免费的。

Education is free and compulsory for 9 years of study.

youdao

在一些工业发达国家，公民享受免费的义务教育。

In some countries with advanced industries, they have free education for all.

youdao

在中国，九年制义务教育是免费的。

The education of the nine-year system in China is free.

youdao

在中国，九年制义务教育是免费的。

The education of the nine-year system in China is free.

youdao