Retail employment domestic employment (maids housekeeping yard work landscaping) never provided a middle class lifestyle unless one worked multiple full time jobs say and both parents did so.

对于从事零售业工作或服务业工作（如女佣、家政、庭院清理、景观美化等）的家庭来说，除非一人同时承担多份全职工作，甚至夫妻双方均兼任多份工作，才有可能过上中产阶级的生活方式。

youdao

I stood there in the middle of the yard gently touching the seat of my pants.

我在码的中央中站立逐渐地碰触我的裤子位子。

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In the middle of the yard was a water pump where the four little girls pumped water for cooking, cleaning and watering the garden.

院中央的是个水泵，小女孩们就在这里泵水用来做饭、打扫卫生、灌溉花园。

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And with a little judicious planning ahead of time to raise the plastic in the middle of the yard so the water runs out to the sides into the shrubbery and gutters and things like that, you can conceivably keep the ground dry.

CNN: Spring wedding, backyard disaster

She backed the Dodge into the middle of the yard, opened the right-hand back door, and left the engine running while she carried out the egg trays from the house and settled them one on top of another on the floor, all this as it always was on a Thursday.

NEWYORKER: The Woman of the House

Macauley Hill caught another touchdown pass on a pretty one-handed grab on a 14-yard throw over the middle by Kinder.

WSJ: Syracuse wraps up spring; Hunt tops the QBs