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Discover LudwigThe phrase "deteriorate by" is grammatically correct and can be used in written English.
It means to become worse or less valuable due to a certain factor or influence. Here is an example sentence: "The value of the company's stock deteriorated by 20% due to the economic recession."
Exact(38)
For black kids, "things begin to deteriorate by the age of 10".
But market gauges began to deteriorate by early afternoon as traders and investors digested Mr. Greenspan's remarks.
And a typical third baseman's defense will deteriorate by about six runs a year from ages 24 to 29.
It would not serve Hamas's interests, Ganor says, to let the situation deteriorate by allowing released prisoners to wage a campaign of terror.
Although plastic breaks down in sunlight, Dr. Nosker said that it will only deteriorate by "a few thousandths of an inch each year".
In the Middle East and north Africa, the cumulative fiscal balances of oil exporters alone are expected to deteriorate by over $2tn in the next five years relative to 2004 08, when oil prices peaked.
Similar(22)
He was deteriorating by the minute".
Finance Department secretary David Tune Photo Paul Harris Tony Abbotttellsls us the budget numbers are deteriorating by $3 billion a week.
"The stark fact is that in southern Somalia the situation is deteriorating by the day.
"Since January 2007 the medium-term budget deficit has deteriorated by about $250 billion annually," the memo said.
The estate, which was built in the 1970s, was deteriorating by the 1980s.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com