What idioms describe "second-hand goods"?

Helping the disabled [bào cán shǒu quē]: Helping the disabled and supporting the old. Describe conservative thinking, not striving for progress.

Make up the short board [bǔchán shǒu quē]: I'd better talk about the short board. Han Xun said, "Han Ai Ji Di Xia Ji": "As for national affairs, the nether world does not know its source, but it still makes up for its shortcomings, fearing private interests and forgetting the public interest of good service."

Chen: outdated; Overuse: fuzzy and distorted; Tone: Tone. An old and vague argument.

Say the same old tune again [l m 4 o di à o ch ó ng tá n]: Play the same old tune again. Metaphor is to move out theories and viewpoints that have been said many times. It is also a metaphor for redoing a skill that has been put on hold for a long time.

Imperial calendar every other year [gé nián huáng lì]: Imperial calendar: originally refers to the almanac promulgated by the Qing court, and later refers to the almanac. One year after the Gregorian calendar. In the new situation, we will no longer compare outdated things or old experiences.

Make sentences:

It is impossible to develop better without getting rid of the old idea of grasping the remnants and keeping the shortcomings.

You should publish some new works, and don't always make some platitudes.