例句與造句

1. The break-even chart presents two curves: the input-output curve and a curve showing the income from sales .
   損益平衡圖呈現(xiàn)出兩條曲線：輸入輸出曲線以及顯示銷售收入的曲線。
2. It's difficult to find input-output curve in a sentence. 用input-output curve造句挺難的