2 sentences

1. 这座瀑布的落差有五十多米。

   zhè zuò pù​bù de luò​chā yǒu wǔ​shí duō mǐ.

   The waterfall has a drop of more than fifty meters.

   Source: Dong Chinese Dictionary

2. 理想与现实之间的巨大落差让他感到很失落。

   lǐ​xiǎng yǔ xiàn​shí zhī​jiān de jù​dà luò​chā ràng tā gǎn​dào hěn shī​luò.

   The huge gap between ideal and reality left him feeling quite dejected.

   Source: Dong Chinese Dictionary