A2: With the fast living pace, fast food, which is easy to get, becomes more and more welcome among salary-earning class.

随着生活节奏的加快，快餐便捷。 所以受到越来越多工薪阶层的欢迎。

youdao

Growing income inequality has coincided with the increasing importance of a college degree for earning a middle-class wage.

收入不平等加剧的同时，大学学位对获得中产阶级收入的重要性也在不断提高。

youdao

I know a lot of people who wouldn't mind earning a solid middle-class salary while getting the summer off and having the possibility of tenure.

我知道有大把的人不会介意在过上中产生活的同时获得一整个暑假，同时还有可能得到一个终生职位。

youdao

Marriage means two incomes at a time when most Americans find two incomes essential to earning a middle-class livelihood.

CNN: To rebuild middle class, restore marriage

Considering no one can save every dime they earn, not even quarter-millionaires, all bets are off that a guy earning that standard middle class pay is going to become rich in his or her lifetime.

FORBES: Despite Crisis, Most Americans Believe They Will Be Rich One Day

He could care less about the embattled middle-class UAW workers earning more than a hundred grand.

FORBES: Ohioans Are No Fools: Obama Did NOT Save Your Automotive Jobs (Update: Fact sheet at the end)