He departed from the text to tell an anecdote.

他偏离课文讲起了一则轶事。

9 see joke: Johnson's president was told to a flock of business circles bigwig first anecdotical, need a large number of capital in order to explain to have missile competition with Muscovite.

约翰逊总统向一群业头面人物讲了一则轶事，以说明需要大量资同俄国人进行导弹竞赛。