Expired70% confidenceOpinionExact time
In real-world projects, 80% of the time is spent on data preparation.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
AI Large Language Model Learning Path: A Three-Step Practical Guide from Zero to Freelancing
bilibili大模型新手教程6/8/2026
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