TOPIK | ☆☆ | The area of activity for people engaged in the same industrial or commercial field.
| INDUSTRY; BUSINESS CIRCLES; TRADE | SECTOR DE NEGOCIOS, SECTOR INDUSTRIAL, CAMPO INDUSTRIAL, CÍRCULO INDUSTRIAL | MILIEUX (INDUSTRIELS, DES AFFAIRES), MONDE (INDUSTRIEL, DES AFFAIRES):
| 业界 | ぎょうかい【業界】 | 업계 | ngành, giới | |