Many of the companies with commercial products are experiencing the unusual hard-time of pioneers, including production kinks, c

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问题 Many of the companies with commercial products are experiencing the unusual hard-time of pioneers, including production kinks, cautious customers, and the impact of the recessions.

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答案语义错误,应把unusual改为usual。

解析 下文提到了公司遇到的一些困难,而这是先驱们都会经历的艰难时刻,即这些问题是“寻常的、正常的”,unusual表示“不寻常的”,用在这里不符合句意。
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