Orange Yellow橙黄色 Optimum Yield适当的产量 Option Year今年选项 New Zealand Life Insurance Stamp (Scott Catalogue prefix; philately)新西兰的人寿保险邮票(斯科特目录前缀、集邮) Organizing Youth组织青少年 Osakeyhtiö (Finnish: limited company)Osakeyhtiö (Finnish: limited company) Oxana Yablonskaya (classical pianist)Oxana Yablonskaya(古典钢琴) Operating Year运营一年 OutyearOutyear Code for Danish Aero Plane丹麦的航空飞机代码 Out Year困难年 Osakeyhito - Finnish stock companyOsakeyhito -芬兰的股份制公司