We must cherish experience acquired at the cost of blood.
我们必须珍惜用鲜血换来的经验。
We must cherish experience acquired at the cost of blood.
我们必须珍惜用鲜血换来的经验。
He rescued the boy from drowning at the cost of his own life.
他救这小孩免于淹死
牺牲了自己的生
。
The poor fox escaped from the trap at the cost of a leg.
可怜的小狐
逃出了陷阱, 
了一条腿。
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