在這寫下交易規則吧....
這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群這是亂數demo字群