例句與造句

1. From 1984 to 1990 there has been a net decline of more than 53 , 000 miles ( 85 , 295 kilometers ) of hedgerows , mostly because they are not needed any more and have no economic value
   1984年到1990年之間，累計約53000英里(合85295公里)的籬笆被拆除，大多數(shù)是因為它們再也不能提供經(jīng)濟作用了。
2. It's difficult to find net decline in a sentence. 用net decline造句挺難的