作废 [zuò fèi]

• cancel; delete; cancellation; nullify; become invalid:

  declare invalid;

  宣布作废

  become invalid after a specified date

  过期作废

• 短语:
  • 作废（字）符 cancel character; ignore character; delete character;
  • 作废码 cancel code; reject code;
  • 作废信息 cancel message;