跟貿易順差強相關。天朝日本的外貿掙大量美元，投資渠道不多的話都會選擇安全的美債。

來源: lanyin0314 於 2025-05-14 22:06:14 [舊帖] [給我悄悄話] 本文已被閱讀：次

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