nà bù jìlùpiàn jiǎng de shì pǔtōng rén rúhé yòng fǎlǜ wéihù zìjǐ de rénquán

那部纪录片讲的是普通人如何用法律维护自己的人权。

That documentary is about how ordinary people use the law to protect their human rights.