YOU SAID:

the demand curve of its customers is a straight line with downward slope

INTO JAPANESE

顧客の需要曲線は下り坂の直線である

BACK INTO ENGLISH

The customer demand curve is a straight line with a downward slope.

INTO JAPANESE

顧客の需要曲線は、右下がりの直線です。

BACK INTO ENGLISH

The customer demand curve is a straight line that slopes downward.

INTO JAPANESE

顧客の需要曲線は、右下がりの直線です。

BACK INTO ENGLISH

The customer demand curve is a straight line that slopes downward.