Auto-Extension of Sample Approval Window (Batch 0025-011)
样品确认期自动延展（批次0025-011）
课文音频
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课文
从第 4 课起，导读页仅展示部分正文，便于您了解难度与风格。
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The buyer needs more time to test the samples carefully.
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We extended their approval window from five to ten days.
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