13. The product gives us an edge over our competitors.
这种产品可以使我们胜过竞争对手。
还能这样说：
The product makes us competitive.
The product can help us with the opponent.
应用解析：
get an edge over 胜过某人；
on the edge of 在边缘；即将；
sit on the thin edge of nothing 坐的位子很窄，坐得很挤

14. This kind of machine allows one person to perform the tasks of four people.
这种机器可以使一个人顶4个人使用。
还能这样说：
This kind of machine makes one competent to finish four persons' task.
One can perform the tasks of four people with the help of this kind of machine.
应用解析：
so easy a task 很轻松的干活；
too burdensome a task 太累赘的工作；
bend one's back to the task until one's dying day 鞠躬尽瘁，死而后已

15. Could you give us detailed descriptions of the capabilities of your product?
请你把你们产品的性能给我们详细说明一下好吗？
还能这样说：
Could you tell us the capabilities of your product in detail?
I wonder the properties of your product in detail.
应用解析：
answer to the description of sth. 与某人的描述相一致；
beggar description 难以形容

16. One quality of this plastic is that it is almost unbreakable.
这种塑料有个特点是不易断裂。
还能这样说：
The distinction of this plastic is that it is hard to break.
This speciality of the plastic is that it is difficult to be broken.
应用解析：
plastic money 信用卡；
plastic bomb 塑料炸弹；
plastic film 塑胶膜；
plastic casing 塑料盒

17. All products have to pass a strict inspection before they go out.
所有产品出厂前必须要经过严格检验。
还能这样说：
We will check every product strictly before they go out.
We will go through all the products before they are sold.
应用解析：
strictly speaking 严格来说；
be strict with sb. 对某人严格；
in the strict sense 以精密的意义而言，严格说来；
in strict seclusion 完全与世隔绝的