1 sentence

1. 由于城市改建，这几家工厂已经搬迁了。

   yóu​yú chéng​shì gǎi​jiàn, zhè jǐ jiā gōng​chǎng yǐ​jīng bān​qiān le.

   Due to urban redevelopment, these factories have been relocated.

   Source: Dong Chinese Dictionary