at the costs of 造句？
1.你过度饮食，代价是变得肥胖。
You overeat at the cost of becoming obese.
2.I was staggered at the amount of money the ring cost.
那戒指那么贵，我非常吃惊。
Copies of the CD can be purchased at cost price.
这光盘可按成本价购买。
You'll be allowed the use of audiovisual equipment at no cost.
你可以免费使用视听设备。
He learned a lesson at the cost of blood.
他以血的代价吸取了教训。
They are able to send their children to school, at the cost of an annual sum of $2,800.
他们能够每年花费2800美元送他们的孩子上学。
Do not give in to their demands at the cost of your own.
别为了满足于他们的要求而以牺牲自己为代价。
Some people pursue their own personal benefits at the cost of others.
有些人为了追求自己的利益而不惜牺牲他人的利益。
