1 sentence

1. 语言上的隔阂使得这项工作进展缓慢。

   yǔ​yán shàng de gé​hé shǐ​de zhè xiàng gōng​zuò jìn​zhǎn huǎn​màn.

   Language barriers have slowed the progress of this work.

   Source: Dong Chinese Dictionary