13. We required a staff with the working experience in transnational enterprises.
我们需要一个有在跨国企业工作经验的员工。
还能这样说：
A staff with working experience in transnational enterprises was what we needed.
We were expecting an employee who had ever worked in transnational enterprises.
应用解析：
from experience 凭经验；从经验中；
draw upon past experience to... 凭借过去的经验去做；
extract experience from 从……中汲取经验

14. Welcome to apply for trainee position in Sales Department.
欢迎申请销售部实习生的职位。
还能这样说：
Graduating Students are popular to get the trainee position in Sales Department.
Welcome to our Sales Department as trainee.
应用解析：
bring-and-buy sale 义卖；
sale by bulk 批发，成批出售；
dull of sale 滞销

15. Excuse me for asking, how many people will you employ?
冒昧地问下你们招多少人？
还能这样说：
I make bold to ask how many people you need.
May I take the liberty of asking you how many people you will employ?
应用解析：
employ oneself doing 从事于，时间花在……；
employ... as 把……用作

16. I have an eye to the position.
我很想得到那个职位。
还能这样说：
I am quite interested in the post.
I really want to get the job.
谚语：
Bring up a raven and he'll pick out your eyes.
养虎贻患。

17. How many hours should I work a day?
我一天要工作几个小时？
还能这样说：
How many hours do you ask us to work per day?
How long do I need to work a day?
应用解析：
clear as day 一清二楚；一目了然；
of a day 短暂；短命的；
of the day 当时的；当代的