1. There will be a party in this ballroom.
    这个大听里将有一个聚会。

2. It contains not only the famous five-thousand-seat banqueting hall, and twenty odd reception rooms each as big as normal ballroom, but the Great Hall itself.
    它不仅具有一个五千座位的著名的宴会厅，二十多个像普通舞厅大小的会客厅，而且还有一个大会堂。