Kimi, Deepseek, Doubao, GLM-4.7: signed up during a promotional deal—$1 for the first month, then used their APIs freely
The second, more thorough option is to stop using CSV altogether and switch to Parquet. Parquet is columnar and schema-aware. There's no delimiter character, so embedded commas, newlines, quotes — all of it just works. Redshift's COPY command supports Parquet natively and actually performs better loading it than CSV.
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But actually, some experts echo that speaking less—specifically by practicing active listening, pausing before speaking, and avoiding unnecessary details—can make a person appear more senior.