This election it's one party, with another party next election; or even if the ruling party is the same, the leaders change, like in Japan, which had three different premiers within half a year.
這次選舉由這個黨當選，下次選舉可能由別的黨當選，即使同一個黨執政，也可能由不同的人主政，像日本前年就在半年內換了三位首相。