可用的marketing镜像站点：
  1. https://gravitywrite.com/
  2. https://www.copy.ai/
  3. https://www.jasper.ai/
  4. https://cohesive.so/
  5. https://jetpack.com/zh-cn/ai/
  6. https://www.tailwindapp.com/
  7. https://www.klaviyo.com/newsroom/klaviyo-ai-sms-assistant
  8. https://simplified.com/
  9. https://jetpack.com/ai/
外：
  1. https://textcortex.com/