 |
| Chinese | English |
| 洋灰 | cement |
| 灰市 | grey market |
| 灰市半黑市，指从事不道德交易 | grey market |
| 灰水比 | cement water ratio |
| 灰沙 | grey sand |
| 轻于黑名单的灰色名单 | gray list |
| 灰色地区 | grey area |
| 灰色市场即稀有商品秘密买卖市场 | gray market |
| 灰铸铁 | grey cast iron |
| 灰领 | grey-collar |
| 灰领工人 | grey-collar workers |
| 灰领工人 | grey-collar |
| 灰领工人 | gray-collar worker |
| 灰领能层指从事维修保养的技术工人 | grey collar |