1. My folly has cost me dearly.
    我的愚蠢使我损失惨重。

2. Modern industry is based on the conception of the maximum production at lowest cost, in order that an individual or a group of individuals may earn as much money as possible.
    现代工业的基本概念是：以最低成本获取最多产品，为的是让某个个人或某一部分人尽可能多地赚钱。

3. Moon-dwellers will be able to fly in space at only three per cent of the cost of similar journeys by their terrestrial cousins.
    月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。

4. Many a weary stroke it had cost, you may be sure, and there remained nothing but to get it into the water; and had I succeeded in getting it into the water, I feel certain that I should have begun the maddest voyage that was ever undertaken by man.
    造这只船，我不知凿多少下，说筋疲力尽，那一点也不假，剩下的问题只是怎样把它弄下水去。假如我把它弄下了水，我敢肯定，我准会进行人类有史以来最荒唐的航行了。

5. Computers will diagnose any problems with the engine. Computer connections will list the nearest places of repair, tell the cost of new parts and the place where they can be bought.
    电脑会诊断出汽车引擎的任何问题。电脑网络会显示出最近的修理站点，标出新零件的价格以及在哪里有售等。

6. Open-heart surgery at the Medical Center Hospital of Vermont (佛蒙特州) used to cost patients an average of $26,300. Today it's $3,000 less.
    在位于佛蒙特州的医疗中心医院，过去开胸手术的平均费用是26,300美元，如今减少了3,000美元。

7. Let me calculate the cost of the journey.
    让我计算一下旅途的用费。

8. The total expense can be far less than the cost of hotels.
    总费用算起来要比住旅馆开支少得多。

9. Letters will cost a little more, but they will certainly travel faster.
    这样会稍微多花点钱，但肯定是快得多了。

10. 11:10 a.m. The phone rings. "This is Max, president of Low Cost Moving." I check out the voice. It's not Julie.
    上午十一点十分。电话响了。"我是马克斯，廉价搬家公司的总裁。"我仔细辩别那声音。不是朱莉。