1、It should cost roughly 10.
這大約10英鎊.

2、Also, at least 70 percent of staple dishes should cost less than 4 yuan.
并且至少要有70%的主要飯菜成本不得低于4塊錢(qián)。

3、Why do you think a child's haircut should cost less than yours?
為什么你會(huì)覺(jué)得給小孩子剪頭發(fā)應(yīng)該便宜過(guò)給你剪頭發(fā)？

4、Nevertheless, the girl firmly resolved to redeem her brothers, even if it should cost her her life.
姑娘呢，下定決心不惜付出一切，哪怕是自己的生命，也要救哥哥們。

should cost翻譯