presage       
verb [ T ]  formal uk/ˈpres.ɪdʒ/ /prɪˈseɪdʒ/ us/ˈpres.ɪdʒ/ /prɪˈseɪdʒ/
 预示,预兆(尤指不祥之事)
to show or suggest that something, often something unpleasant, will happen
  But still the economy is not showing signs of any of the excesses that normally presage a recession. 但经济仍未显露出任何过剩的迹象,这些迹象通常预示经济衰退。 
 Synonyms: augur betoken bode foreshadow portend prefigure