to become greater in size, number or value; to make sth greater in size, number or value 扩大；增加；增强◆an expanding range of products 产品系列的扩大◆The company recently expanded its board from 11 to 15 members. 这家公司最近将董事会成员从 11 人增加到 15 人。
if a business expands or is expanded, new branches are opened, it makes more money, etc. 扩展，发展（业务）◆Our business has expanded rapidly, from 16 to 30 stores in a year. 我们的业务迅速扩展，一年之内从 16 家店铺扩大到 30 家店铺。◆The group wants to expand its presence in the Balkan region. 这家集团准备增强其在巴尔干地区的影响。◆ambitious plans to develop the business and expand into new markets 开发业务和拓展新市场的鸿图大计