[] something such as a product, business, or part of a business that is not very successful or causes particular difficulties for its makers or owners问题孩子（指不太成功或给制造者或所有者带来某些困难的产品或业务）◆The UK subsidiary is turning out to be a problem child for its parent company.英国子公司即将成为其母公司的问题孩子。 () a product that only has a small share of the market in a market that is growing quickly问题孩子（在快速增长的市场上，市场份额很小的产品）◆Large investments will be needed for a problem child.问题孩子需要大量投资。➡ picture at Boston Matrix