承诺的英文怎么说

promise to do sth.; promise to undertake; undertake to do sth.; acceptance of offer; acceptance

promisevt.允诺，许诺;给人以…的指望或希望vi.许诺;有指望，有前途n.许诺;希望，指望;允诺的东西[例句]As for the promise of three years of maternity leave , she feels this will be self-defeating ."至于三年产假的承诺，她认为这将事与愿违。