She was in a hurry that morning. Otherwise she would have stopped to talk with you.
You’d better take more exercise， otherwise you’ll get fat.
either …or(或者……或者)
You can come either today or tomorrow.
You may either stay here or go with me.
一级建造师二级建造师消防工程师造价工程师土建职称公路检测工程师建筑八大员注册建筑师二级造价师监理工程师咨询工程师房地产估价师 城乡规划师结构工程师岩土工程师安全工程师设备监理师环境影响评价土地登记代理公路造价师公路监理师化工工程师暖通工程师给排水工程师计量工程师