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@@ -215,4 +215,4 @@ The bibtex entry for the `reference paper <https://arxiv.org/abs/1907.04433>`__
 New to Deep Learning or NLP?
 ============================
 
-For background knowledge of deep learning or NLP, please refer to the open source book `Dive into Deep Learning <http://en.diveintodeeplearning.org/>`__.
+For background knowledge of deep learning or NLP, please refer to the open source book `Dive into Deep Learning <https://d2l.ai/>`__ (`中文版 <https://zh.d2l.ai>`__).