13. We can beat that price.
我们可以卖得比那个价钱更低。
还能这样说：
We can beat down that price.
We can come down the price.
应用解析：
beat sb. to it 占上风；
beat to it 捷足先登；
big beat 摇摆舞（曲）

14. We can put our effort into other products.
我们要把心放在其他商品上。
还能这样说：
We can pay attention to other products.
We can focus on other products.
应用解析：
put about 散布消息，宣称；
put down as 估计，认为；
put in a good work for 为……美言几句；
put oneself out 费神，努力；
put over 解释，说明，表达

15. Articles of everyday use are economically priced.
这些日用品价格低廉。
还能这样说：
Articles of everyday use are very cheap.
Daily use articles are inexpensive.
应用解析：
make use of 利用，使用；
official use 用于公务；
limit the use of 限制对……的使用

16. These two grades are very much in demand.
这两种等级的货目前需求甚旺。
还能这样说：
Many people want these two grades.
These two grades are needed by a great number of people.
应用解析：
on demand 一经要求；
demand bill 即期付款；
in demand 非常需要，受欢迎的；
demand for sth. 对某物的需要

17. They are beautiful in design and low in price.
产品设计很漂亮，价格低廉。
还能这样说：
The design is beautiful and the price is low.
They are beautifully-designed and cheap.
谚语：
Everyone has his price.
人皆有价（都能以某种方式加以收买）。