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core and value added service of two competitors
By: Yuna Wu
What are the core services? (主要服務)
- selling drinks.
- making drinks.
What are the value advice services? (附贈服務)
- takeout
- Provide green cups
- yuna-wu-core-added.1672302526.txt.gz
- Last modified: 2022/12/29 00:28
- by yuna.wu