“在市场上出售”常见的英文表达有 "be sold on the market" 或 "be available for sale in the market"。
"be sold on the market" 强调商品正在市场上进行销售这一行为状态。例如：These new products are already being sold on the market.（这些新产品已经在市场上出售了。）
"be available for sale in the market" 更侧重于说明商品在市场上有供应、可购买的状态。例如：Our latest model will be available for sale in the market next month.（我们最新款的型号下个月将在市场上出售 。）