後邊用介詞in，例如：1、The figures represent a general decline in employment.這些數字顯示就業人數總體在下降。2、Government penny-pinching is blamed for the decline in food standards.政府吝嗇被指責是食品標準下降的原因。3、The company reported a small decline in its profits.公司報告其利潤略有減少。
