/blæŋk ˈboʊtɪŋ ˈbʊlɪtɪn/ – Phrase
Definition: lá phiếu trắng.
A more thorough explanation: A blank voting bulletin refers to a ballot paper that has not been marked or filled out by a voter, typically indicating that the voter has chosen not to cast a vote for any candidate or option listed on the ballot.
Example: The voting bulletin must be posted in a prominent location for all eligible voters to review before the election.