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Subject: Congratulations on a successful launch!

Dear team, 

I wanted to take a moment to acknowledge everyone's hard work and dedication in creating and launching our new product. Congratulations on a successful launch! I know this project was a long time in the making and it's inspiring to see it all come together. I'm proud of the work we've done and excited for what's to come. Let's keep up the momentum and continue to push for excellence. 

Best, 
[Your Name]
情感标签：积极
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