He introduced the new product in several test markets.

他在几次试卖会中介绍新产品。

youdao

They introduced the new product in several test markets.

他们在试卖会中提倡新产品。

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Markets test patience and reward conviction.

市场会考验你的忍耐，回报你的信念。

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Markets test patience and reward conviction.

市场会考验你的忍耐，回报你的信念。

youdao