1. Merchants release the same linked goods in different time periods. Due to the different release time, the word-of-mouth of linked goods may be different.
2. Linked goods may have different activities or offers when they are released, resulting in different word-of-mouth of the same linked goods.
3. When calculating the word-of-mouth of linked products, Tik Tok platform may consider factors such as users' evaluation and purchase behavior, so even if the linked products are the same, the word-of-mouth may be different.
4. When calculating the word-of-mouth of linked goods on Tik Tok platform, there may be some randomness, which leads to different word-of-mouth of linked goods.