经济学家埃马努埃莱·福沙尔和埃里克·冯·希普尔指出，法国厨师在分享菜谱方面也遵循类似的规范。
The economists Emmanuelle Fauchart and Eric von Hippel report very similar norms for the sharing of recipes among French chefs.
经济学家埃马努埃莱·福沙尔和埃里克·冯·希普尔指出，法国厨师在分享菜谱方面也遵循类似的规范。
The economists Emmanuelle Fauchart and Eric von Hippel report very similar norms for the sharing of recipes among French chefs.
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