To say "we buy and sell used/second hand clothes" is the most efficient way of letting your customers know that you are willing to buy their second hand clothes and that you have second hand clothes in stock.
"we buy and sell used/second hand clothes"
（中古服の売り買いいたします）
を使う事によって中古服の売り買いを快く行っている事をお客様に示すことが出来る効果的な表現です。
"We buy and sell second-hand clothing." This explains to the people that you will buy their old clothes and that you sell them so they or other people can buy the used clothes.
"We buy and sell used clothes here."
"used" is another way of saying second-hand.
you can use the words "clothing" or "clothes."
"We buy and sell second-hand clothing."
これは、あなたが人から古い服を買って、その人や他の人たちが中古服を買うことができるようにそれらを販売することを表します。
【例文】
"We buy and sell used clothes here."（ここでは中古服を売買しています）
"used"は、second-hand.の別の言い方です。
"clothing"または"clothes"という単語を使うことができます。
Second-hand, recycled and pre-loved are all expressions denoting that they are not new. This can be used, to precede any type of store that sells used good. e.g. Secondhand bicycles store.
When an item is being sold, it is 'for sale'. If the item being sold is discounted you can also say that the item is 'on sale'.
If the shop stocks secondhand clothing that is bought from people who bring in their secondhand clothing for you to sell, you can also include that the items are 'bought and sold' here. It depends on the nature of the shop's business.
Sometimes we see in the UK signs from companies offering payment for clothing.
They usually start with the message 'Cash paid...' They usually offer to pay a fixed price per kilogram for the clothes.
Charity shops sometimes have a message saying: "
We need your unwanted clothing."
You may also just identify this aspect of your business by having signage saying:
'We buy and sell unwanted clothes.'
たまにイギリスでも古着の買い付けの看板を見かけます。
たいていは'Cash paid...'と書いてあります。たいてい、1キロ、いくらと服の重さによって値段が決められます。
"チャリティーショップでも以下のようなメッセージを見ます。
We need your unwanted clothing."
あなたの不要な服を譲ってください。
以下のように掲げることで、ビジネスだとわかってくれるでしょう。
'We buy and sell unwanted clothes.'
不要な衣服、買取、販売します。
When an object has been used already, and someone is giving it away or selling it, we call it second-hand. Any shops that sell these objects are called 'second-hand shops'. These can sell a variety of items so you will have to specify that you are a 'second-hand clothes shop'. I would also add on that you 'buy and sell' to show the point that you do also buy clothes and are not just a shop!
Clothing is garments/clothes that you wear on your body.
If something is not new or has been owned or worn by someone else this is called 'used' or 'second hand' (simply meaning you are the secong person to have it)
南アフリカ 
イギリス 
