这个商场早上九点开门。

Zhège shāngchǎng zǎoshang jiǔ diǎn kāimén.

This mall opens at nine in the morning.

这个商场很大，人很多。

Zhè gè shāngchǎng hěn dà, rén hěn duō.

This shopping mall is very big and very crowded.

我在商场门口等你。

Wǒ zài shāngchǎng ménkǒu děng nǐ.

I will wait for you at the mall entrance.