The rate of attrition in the middle ranks has slowed a bit in recent years, but the most senior jobs remain almost exclusively male.

近几年女性在中层职位的淘汰率稍微减缓，但是大多数高层职位仍然仅限于男性。

youdao

Roughly 10m of Brazil's 192m people joined the ranks of the middle class between 2004 and 2008, and since 1990, poverty levels have halved.

巴西的一亿九千二百万人中大约有一千万在2004年到2008年前迈入了中产阶层，自1990年至今，贫穷水平也减半。

youdao

Combined with a scrap-metal business, the store is just enough to lift its owners into the ranks of India’s fabled middle class.

再加上一同经营的废金属生意，这件商店却足够让商店主人进入印度所谓的中产阶层行列。

youdao

Riots by unpaid junior soldiers have yet to spread to the middle ranks but may do so.

ECONOMIST: Zimbabwe

That would place him within the middle ranks of New York's top office landlords, but one that is growing fast.

WSJ: Midtown New York Push

The rate of attrition in the middle ranks has slowed a bit in recent years, but the most senior jobs remain almost exclusively male.

ECONOMIST: Closing the gap