3. These cameras have increased only marginally in value over the past decade.

　　在過去10年里，這些照相機的價格只是略有提高。

　　4. The collection has been built up over the last seventeen years.

　　在過去的17年中，收藏的規模不斷擴大。

　　5. He has published nothing of note in the last ten years.

　　他在過去的10年里沒有發表任何有影響的作品。

　　6. More than 30 horses have been mutilated in the last nine months.

　　在過去9個月里，超過30匹馬受了重傷。

　　7. I live for the moment, day by day, not for the past.

　　我活在當下，過一天算一天，而不是活在過去。