“轻”，指的是固定资产、人员配置、管理流程等负担没有传统零售业大；“重”，指的是在物流、仓储等方面需要巨大的投入。
“Light” refers to fixed assets, headcount, management processes and other burdens that are less than that of traditional retailers; “heavy” refers to areas such as logistics and storage that require enormous investment.