我下个月要去北京出差。

wǒ xià gè yuè yào qù běijīng chūchāi.

I'm going to Beijing on a business trip next month.

北京的秋天特别美，天气也很舒服。

běijīng de qiūtiān tèbié měi, tiānqì yě hěn shūfu.

Autumn in Beijing is especially beautiful, and the weather is very comfortable.

她在北京住了五年，对那里很熟悉。

tā zài běijīng zhù le wǔ nián, duì nàlǐ hěn shúxī.

She lived in Beijing for five years and is very familiar with it.