“The Is-Ought Problem”的意思、由来-开放百科全书

词条	The Is-Ought Problem
释义	SeeIs–ought problem
随便看	1996 Eurocard Open (October) 1996 Eurocard Open - Singles 1996 Eurocard Open – Doubles 1996 Eurocard Open – Singles 1996 European Beach Volleyball Championships 1996 European Championship (disambiguation) 1996 European Community Championships 1996 European Community Championships – Doubles 1996 European Community Championships – Singles 1996 European Cross Country Championships 1996 European Figure Skating Championships 1996 European Indoor Championships in Athletics 1996 European Indoors 1996 European Indoors – Doubles 1996 European Indoors – Singles 1996 European Parliament election in Austria 1996 European Parliament election in Finland 1996 European Tour 1996 Everest disaster 1996 Everest Disaster 1996 Faber Grand Prix 1996 Faber Grand Prix - Doubles 1996 Faber Grand Prix - Singles 1996 Faber Grand Prix – Doubles 1996 Faber Grand Prix – Singles

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。