The phrase "always left behind" is correct and usable in written English.
It can be used to describe a situation where someone or something is consistently not included or is neglected in various contexts.
Example: "In every group project, she felt like she was always left behind, as her ideas were never considered."
Alternatives: "perpetually overlooked" or "consistently excluded".
But if the problem with wanting to get out of the working class is that someone is always left behind, then the problem with "admiring" the working class is that admiration doesn't, on its own, help anyone to get out of it at all.
The arranged pairs were always left behind, along with miscellaneous spillage: a brand-new platform shoe might lie on its side in a puddle; a well-worn hiking boot might still stand, stalwart as an old dog, on the shattered sidewalk.
But they were always left behind, even when the series ended in 1967.
Some states are always left behind in the nominating season, holding primaries or caucuses long after a candidate has locked up the nomination.
Those who are disabled have always been taken as second-class citizens – in terms of access to education they are always left behind.
"Men are always first; where is the space for women, who are always left behind?" And yet, if Ms. Vázquez Mota, 51, can win only by proving how different she really is, are after-school programs enough?
In short, many opposition leaders have no plans to clean up the mess the dictatorships always leave behind, and have failed to become beacons of hope to guide their people out of despair.
Tenants always leave behind the heavy stuff.
Revolutionaries don't always leave behind succession plans, and Breitbart's unexpected death created a power vacuum at the Web site he founded.
Sanghavi credited his wife Shah, who is the chief design officer at BauBax, with the design of the jacket and said the special features originated because he was always leaving behind his travel pillow on flights.
Since then, the college has taken the opposite approach, essentially allowing students to come and go at will, a liberty that has allowed them to take their exams, shower and even get a comfortable night's sleep, always leaving behind a group of at least 15 or so to hold down the fort.
