zài / Zhōngguó / xiàn dài / wén huà shǐ / kè chéng / zhōng / lǎo shī / zhuān mén / jiǎng jiě / le / shuāng bǎi fāng zhēn / de / tí chū / bèi jǐng

在中国现代文化史课程中，老师专门讲解了“双百方针”的提出背景。

In a course on modern Chinese cultural history, the teacher gave a special explanation of the background behind the introduction of the Double Hundred Policy.