wrapper
noun [ C ] uk/ˈræp.ər/ us/ˈræp.ɚ/
(COVERING)
包装材料;包装纸
a piece of paper, plastic, or other material that covers and protects something
a sweet wrapper 糖果包装纸
US宽松外套;浴衣
a loose piece of clothing that is worn in the house, sometimes over other clothes
(FINANCE)
UK包管账户（一种财务产品，可获得避税等好处）
a financial product that gives advantages such as reduced tax
The shares will be held in a tax-free individual savings account wrapper. 股份将通过免税的个人储蓄包管账户持有。