affecting or concerned with only a small number of people or things from a larger group有选择的；选择性的◆selective price cuts选择性降价◆a selective mailing选择性邮寄 careful about what or who you choose认真挑选的；严格筛选的◆You will have to be selective about which information to include in the report.你必须仔细斟酌要把哪些资料写入报告。▸seˈlectively
adverb
◆The product will be selectively marketed in the US (= only in some areas).这种产品将有选择性地在美国部分地区的市场上销售。▸selectivity /səˌlekˈtɪvəti/