The red thin line细红线;细细的红线
RED SEA LINE红海航线
Red-line management红线管理指标
red mark line红色标记线
red-line eggplant红线茄
red-line layout规划道路红线
RED-LINE GROUP一家全球性
Red Wine Line红酒行;红酒线
Red ocean line红海线
N（名词） a point beyond which a person or group is not prepared to negotiate 底限