The conjunction 此外 is used to introduce a piece of information that adds to previously communicated information.
In affirmative sentences, 此外 indicates that there is something else besides what already has been stated.
In negative sentences, 此外 indicates that there is nothing to add besides what has been stated.
Pay attention
The adverb 还 is often placed after 此外.
Examples
你可以品尝这些饮料,此外还能带几种回家
You can try these drinks. In addition, you can take some drinks home