答：中日关系的核心问题是日本要正确对待历史的问题。

A: the core problem of China-Japan relations is that Japan should rightly treat the issues left by the history.

youdao

“以史为鉴，面向未来”，就是要正确对待历史，这是中日世代友好的基石。

"Taking history as a mirror looking into the future" means to treat history correctly. This is the cornerstone of generation-to-generation friendship between China and Japan.

youdao

“以史为鉴，面向未来”，就是要正确对待历史，这是中日世代友好的基石。

"Taking history as a mirror looking into the future" means to treat history correctly. This is the cornerstone of generation-to-generation friendship between China and Japan.

youdao