AnalyzerSentence analysis6SpansSentence彼の専門は経済学です。1000 character limitAnalyzeSentence彼かれの専せん門もんは経けい済ざい学がくです。Span Details彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar専せん門もんspecialty; field of expertise; major; exclusive focus; doing only; specializing solely innounはtopic markergrammar経けい済ざい学がくeconomicsnounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit