Weiying Wang

購買才可評價 為提供可信賴的內容，在媽咪愛購買過的用戶才能對商品撰寫評價以確保內容為真實心得，期望媽咪們能放心參考，挑選適合寶寶與全家人的商品。 用戶真實購買心得 我們重視每位媽咪的回饋，不論好評或負評，媽咪愛堅持不刪除、不竄改用戶評價，將真實內容呈現給每一位消費者，提供值得媽咪信賴的購物平台。 確定

Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement Data sharing not applicable to this article as no datasets were generated or analyzed during the current study. References 1, “Autoregressive Conditional Heteroskedasticity With Estimates of the Variance of UK Inflation,” Econometrica 50, no. 4 (1982): 987–1007. 2, , and , “ARCH Modeling in Finance: A Review of the Theory and Empirical Evidence,” Journal of Econometrics 52, no. 1–2 (1992): 5–59.