英国企业对脱欧下一阶段感到担忧

英国企业对于脱欧的下一阶段感到担忧，因为新的规则将要求商业对商业的包裹首次进行海关程序。这将给企业带来新的挑战和负担。

## Original Title: NI businesses concerned over next Brexit phase

## Article Content:
Business-to-business parcels will require customs processes for the first time under the changes.

Original article: https://www.bbc.com/news/articles/ce9zrzyr2y9o