What are the idioms that describe "outdated"?

Idioms describing "outdated" include: calendar every other year, the same old tune does not play: tomorrow is a thing of the past, times have changed, everything has changed, and stereotypes have followed.

Every other year of the lunar calendar: pronounced gé nián huáng lì? Interpretation: the imperial calendar originally refers to the almanac promulgated by the Qing court, also known as the imperial calendar, and later refers to the almanac. One year after the Gregorian calendar. From [Qing] Xia Jinglian's Ye Luyan. Obsolete things or metaphors of old experiences are no longer used in the new environment.

Don't play the same old tune: pronunciation gǔ diobottan? Chen Diao stopped playing. ? Out-of-date things are no longer popular.

Tomorrow's yellow flower: pronounced míng ríHuáng Huā? Interpretation: outdated and meaningless? Originally refers to the chrysanthemum that gradually withered after the Double Ninth Festival.

Follow the stereotype: Is the pronunciation Yin Chen Xigui? Interpretation: outdated rules and regulations? It means following the old rules. Tradition: the meaning of continued use.

Vientiane update: the pronunciation is wàn Xiàng gēng xρn? Interpretation:? Things or sights change their appearance.

Time has changed: pronounced shí guò jìng qiān Interpretation: environment, situation: move: move, change. As time went on, the situation changed.