After repair can be used can be resold, can not be repaired can be recycled, waste to treasure, saving society and resources, reduce the production cost of some products.
Used, used, overhand, was reproduced, not the beginning of the meaning. Something used and then sold. Used objects for trade, not in the sense of first-hand.
Pinyin: èr shǒu
Used, used, old
(~er) to mean indirectly; reproduced (things): second-hand information; second-hand equipment purchased from abroad.
As opposed to goods that have just been purchased, second-hand means goods that have been traded one or more times.
Sometimes it can also refer to news, services, etc., to indicate that it is not up-to-date.
For second-hand goods, after full utilization and circulation, it can promote environmental protection and the healthy development of the national economy.