When do fresh strawberries come in?

新鲜草莓什么时候上市？

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今天的几个句子是有关上市的：

1. These new products will come out before long. 这些新产品不久将要上市销售。

2. It has appeared on the market. 它已开始上市。

3. These computers are not yet on the market. 这些计算机还未上市。