我們這兒好像沒有這個選項。我的意思是 strategic voting，盡量讓自己的一票有效。見下：

"Strategic voting is classically defined as "voting for one's second preferred option to prevent one's least preferred option from winning when one's first preference has no chance." Voters want their votes to be effective, and casting a ballot that will have no influence on an election is undesirable--therefore, some voters cast a strategic ballot when they decide it is useful.