1 sentence

1. 由于天气转冷，这座城市提前开始供暖了。

   yóu​yú tiān​qì zhuǎn​lěng, zhè zuò chéng​shì tí​qián kāi​shǐ gōng​nuǎn le.

   As the weather turned cold, the city started its heating service early.

   Source: Dong Chinese Dictionary