/tə ˈkæst ˈnɑnˈvoʊt/ – Phrase
Definition: bỏ phiếu trắng.
A more thorough explanation: To cast a non-vote refers to the act of abstaining from voting on a particular issue or election. It is a deliberate decision not to vote either in favor or against a proposal, candidate, or motion.
Example: The shareholder chose to cast a non-vote on the proposed merger, abstaining from voting on the matter.