由酒店乘大巴到机场大概需要三十分钟。

Yóu jiǔdiàn chéng dàbā dào jīchǎng dàgài xūyào sānshí fēnzhōng.

Taking the bus from the hotel to the airport requires 30 minutes.

明天的会议由王经理主持。

Míngtiān de huìyì yóu Wáng jīnglǐ zhǔchí.

Tomorrow’s meeting will be hosted by Manager Wang.

这个问题就由你来决定吧。

Zhè gè wèntí jiù yóu nǐ lái juédìng ba.

Let this question be decided by you.