Dan is teaching his son how to box. As he does so, he left his friend, "This is a tough world, so I'm teaching my boy to fight."Friend: "But suppose he comes up against someone much bigger than he is, who's also been taught how to box."Dan: "I'm teaching him how to run, too."

这段话和丹没关系。只是名字一样。

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this isn't about Daniel Radcliffe, so there we go. no worries.