Most of my life, I considered us in the lower middle-class rank.

我生命中的大部分时光，我认为是处在底层的中产阶级。

youdao

More than 70% of countries and territories that report the presence of neglected tropical diseases are low-income or lower middle-income economies.

70%以上报告存在被忽视的热带病的国家和地区是低收入或中下收入经济体。

youdao

Those who were not at least in the lower-middle class, however, had to dink around a 14.4 modem, or worse: 2400 baud.

这些人都不是中低产阶级，然而，却不得不使用大约14.4调制解调器，或者更差的2400波特。

youdao

Two liberal House Democrats, Lynne Woolsey and Barbara Lee, said on Wednesday they intend to fightto keep this public option in, along with other steps to protect lower and middle-income Americans and hold insurance companies accountable.

VOA: standard.2009.12.24

This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.

但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

Members of the House Progressive Caucus have vowed to fight to keep this public option in any final legislation that emerges, along with other provisions they say are needed to protect lower and middle-income Americans and hold insurance companies accountable.

VOA: standard.2009.12.25

When it comes to taxes, I said in 2008 I was going to lower middle-class taxes.

WHITEHOUSE: The White House

Photos take over the entire screen, with the profile pic situated in the lower middle.

ENGADGET: Facebook Home hands-on (video)

But the small Perkins Loan Program, which helps lower-income and lower middle-income students, was spared.

FORBES: Magazine Article