combined
作形容词：联合的；相加的。
例：We could only afford a small flat， even on our combined salaries.
即使把我们的工资加起来也只能买得起一间小公寓。
combination
作名词：结合(体)；联合(体)。
例：The combination of the 50 states forms the United States of America.
五十个州结为一体组成了美利坚合众国。
Chunks in Practice
Translate the following sentences into English or Chinese.
1. Would you please take a seat while I look into our file？
______
2. 我们应该寓工作于娱乐中。
______
3. 我们投票决定是否接受这项提案。
Now a Try
According to the author， what’s the most importont element that