idiom > have something ready just in case
Contents
YAM
  Explanation: Ready for emergencies, immediate temporary need.
  Usage: The main predicate; as the predicate attribute; warning people to be fully prepared
  Source: Qing Wu Jian "confused world," IX: "Although YAM, to have time, let the soldiers make a rumor, a few rows on the opening gun, the man may die a lot."
  Examples: In the harvest year, we have a number of disaster food reserves, ~, enhance our resilience.
No. 2
  Headword YAM
  Pronunciation bèi ér bù yòng
  Interpretation ready for emergencies, immediate temporary need.
  Source Qing Wu Jian "confused the world": "Although YAM, to have time, let the soldiers make a rumor, a few rows on the opening gun, the man may die a lot."
  Example in the harvest year, we have a number of disaster food reserves, ~, enhance our resilience.
Translated by Google
English Expression
  1. n.:  have something ready just in case,  keep something for possible future use
French Expression
  1. v.  préparer qch non pour son usage immédiat mais pour des occasions futures
Thesaurus
untimely needs, Shall from time to time