With more than $12 billion in sales this year, the industry is booming and, according to the market research company, Grand View Research, is on track to sell billions more by 2025.

凭着今年超过120亿美元的销售额，这个行业正在蓬勃发展。根据市场研究公司GrandViewResearch 的数据，到2025年，这个行业有望再卖出数十亿美元的产品。