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Education is free and compulsory for 9 years of study.
九年制义务教育是免费的。
youdao
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People chosen for the study who had no Internet access were given it for free.
选出来参加调查的不能上网的人免费为他们提供上网条件。
youdao
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People chosen for the study who had no Internet access were given it for free.
选出来参加调查的不能上网的人免费为他们提供上网条件。
youdao