cost 
英 [kɒst]  美 [kɔst] 
n. 费用；代价；成本；损失

v. 花费；使付出；估价

例句：
The total cost of the holiday came to 500 pounds. 

假期的总花费达到了500英镑。

The cost of a loaf of bread has increased fivefold. 

一块面包的价钱涨了五倍。

The battle was won, but the cost in human life had been enormous. 

战役虽然打赢了，但所付出的生命代价是巨大的。

Are you so afraid of it that you have to avoid it whatever the cost to your lifestyle? 

你就这么害怕它，不管对你的生活方式有什么损害你都躲着它吗？