单词careline
n.: （公司的）产品咨询热线网络: 柯蓝；名企柯蓝集团；澳洲名产柯蓝
（公司的）产品咨询热线，服务热线，客服热线:
a telephone service that you can call to get advice or information on a company"s products
复数：carelines