위 이미지를 첨부하여 문의했더니 답변이 왔네요.
근데 영알못이라 무슨 말인지 전혀 몰라서 ㅠㅠㅠ
Hello,
Thank you for contacting Steam Support.
Our trading system is designed to protect user accounts and the Steam Economy.
In order to use the Community Market you are required to have a purchase of wallet credit or made a Steam purchase that is between 30 days and a year old.
Please note, Wallet code redemption does not grant access to the Community Market.
Steam Support is unable to remove any restrictions on your account that prevent you from using the Community Market.
이게 무슨 말일까요 ㅠㅠㅠ
도움!!!!