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4. Phrasee Phrasee uses artificial intelligence to help you write more effective subject lines. With its AI-based Natural Language Generation system, Phrasee uses data-driven insights to generate millions of natural-sounding copy variants that match your brand voice. The model is end-to-end, meaning when you feed the results back to Phrasee, the prediction model rebuilds so it can continuously learn from your audience.
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Co-CEO pairings can also be used as a type of succession planning to see if one will ultimately become the sole, core CEO, she adds.
3. 步长逐渐减小，最后步长为1时就是普通插入排序