欧洲央行调查：多数企业受到贸易紧张情势影响，其中制造商及对美出口业受到影响最大。

Group 1 - The core viewpoint of the article highlights that the majority of companies are affected by trade tensions, with manufacturers and exporters to the U.S. being the most impacted [1] Group 2 - The European Central Bank's survey indicates that trade tensions have a significant negative impact on business operations [1] - The manufacturing sector is particularly vulnerable to these trade tensions, facing the greatest challenges [1] - Exporters to the U.S. are experiencing heightened difficulties due to the ongoing trade disputes [1]