1. 投資   market   export   purchase   investment   Hint Half-n-half Clue   2. 生產   market   purchase   merchandise   production   Half-n-half Clue   3. 銷售   supplies   price   market   sales   Half-n-half Clue   4. 出口   loss   import   export   production   Half-n-half Clue   5. 損失   price   import   loss   investment   Half-n-half Clue   6. 收支   investment   management   market   revenue   Half-n-half Clue   7. 收入   import   income   profits   purchase   Half-n-half Clue