review：
1，虽然时代已经改变了，但是他并没有跟着它一起改变。
although times has changed, he is in step without any change.
at the cost of"以······为代价"
for instance:
1,the fox escaped from the trap at the cost of a leg.
狐狸虽逃出了陷阱，但却失去了一条腿。
2,he earned a lot of money but at the cost of his health.
他挣了很多钱，却以牺牲了自己的健康为代价。
1.He saved her from the fire, but at the cost of his own life.
2.We must cherish experience acquired at the cost of our own blood.作者: 云野 时间: 2011-8-11 11:43
1,他把她从火中救了出来，但是却付出了生命的代价。
he saved her from the fire but at the cost of his life.
2,我们必须珍惜用我们自己的鲜血获得的经验。
we must cherish our experices at the cost of blood.作者: sunnyraintsk 时间: 2011-8-12 18:05
He savede her from the fire at the cost of his life.
We must cherish the experience acquired at the cost of our own blood.
