美国3月份贸易逆差扩大至1405亿美元，创纪录新高。美国3月服务贸易顺差降至2023年4月以来最低水平。

Core Insights - The trade deficit in the United States expanded to a record high of $140.5 billion in March [1] - The services trade surplus fell to its lowest level since April 2023 [1] Group 1 - The U.S. trade deficit reached a new record high of $140.5 billion in March, indicating a significant increase in imports compared to exports [1] - The decline in the services trade surplus suggests a potential weakening in the services sector, which could impact overall economic performance [1]