日本财务大臣加藤胜信：日本持有大量美国国债作为外汇储备的一部分，这是事实，尽管这是为了有足够的资金在需要时进行外汇干预。

Core Viewpoint - Japan holds a significant amount of US Treasury bonds as part of its foreign exchange reserves, which is intended to ensure sufficient funds for foreign exchange interventions when necessary [1] Group 1 - Japan's Finance Minister, Kato Katsunobu, confirmed the country's substantial holdings of US Treasury bonds [1] - The purpose of holding these bonds is to maintain adequate funds for potential foreign exchange interventions [1]