Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
양식업은 지속 가능한 수산업을 위한 중요한 산업입니다.yangsik-eob-eun jisok ganeunghan susan-eob-eul wihan jungyohan saneob-imnida.Aquaculture is an important industry for sustainable fisheries.