https://ceritabahasa.co/2015/10/21/kalimat-pasif-%e8%a2%ab%e5%8b%95%e5%8f%a5%e5%bc%8f-%e8%a2%ab%e5%8a%a8%e5%8f%a5%e5%bc%8f-beidong-jushi-dalam-bahasa-mandarin/