1. 充電   to buy   to charge   interest income   meeting   Hint Half-n-half Clue   2. 工廠   business   product   factory   business hours   Half-n-half Clue   3. 利潤率   interest income   on business   profit margin   factory   Half-n-half Clue   4. 利息收益   to pay   interest income   to charge   to buy   Half-n-half Clue   5. 名片   to charge   business card   business   sale   Half-n-half Clue   6. 所得稅   profit sharing   to sell   income tax   sale   Half-n-half Clue   7. 會議   meeting   profit margin   wage scale   factory   Half-n-half Clue