Why your design:
300 copies of user research have been done, but they still cannot be sold after listing?
The technical parameters rolled the competing products, but the dealer says' no memory point '?
Clearly won the international award, but consumers ask 'what's the use of this '?"
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That's great. I learned it. Thank you for sharing.
Let's cheer together
It's not easy
Too is that
There is always a distance from perfection.