Authenticity of the product(产品的真伪)
Can not try(不能试用)
Size problems(尺寸大小问题)
Picture inconsistent with the physical(照片与实物不符)
After sale services(售后服务)
Complex return process(复杂的退货流程)
Safety of payment(支付安全)
The length of collection(收货时间)
Quantity of products(产品数量)
Others(其他)