New Words：

solution [səˈluːʃn] n. 解决办法;处理手段

Sample Sentences：

Do you have a better solution?
There's no simple solution to this problem.
The solution of the problem requires a lot of time.

New Words：

solve [sɔlv] vt. 解决；处理；解答；破解

Sample Sentences：

She tried her best to solve the problem.
Will you please help me to solve this maths problem?

New Words：

satisfy [ˈsætɪsfaɪ] v. 使满意；使满足；满足

satisfied [ˈsætɪsfaɪd]
adj.满意的；满足的；欣慰的；确信的
v.“satisfy”的过去式和过去分词

Sample Sentences：

It is not easy to satisfy everyone.
Our company will do everything to satisfy our customers.

She's never satisfied with what she's got.
When she had finished her meal, she gave a satisfied smile.

New Words：

order [ˈɔːrdər]
n.顺序；条理；命令；规则
v.命令；整理；定货；下令

in order 按顺序；秩序井然
in order to 为了

Sample Sentences：

May I take your order?
Dogs can be trained to obey orders.

The King ordered them to fire.
I ordered a beer and a sandwich.
They were ordered out of the class for fighting.

The house had been kept in good order.
I will answer your three questions in order.
I go swimming every day in order to keep fit.

New Words：

knowledge ['nɔlidʒ] n. 知识；了解；学问；学识

Sample Sentences：

He is poor in money, but rich in knowledge.
He has a wide knowledge of painting and music.
There is a lack of knowledge about the tax system.