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Discover LudwigSuggestions(5)
The phrase "is complex and" is correct and can be used in written English.
You can use it when you want to introduce a second descriptor for something that had been previously described. For example, "The written instructions for this project are lengthy and complex and require a lot of time to complete."
Exact(60)
It is complex and unsettling.
Do-hee is complex and battered.
Rate making is complex and specialized.
The litigation is complex and politically charged.
Sometimes the failure is complex and subtle.
The picture is complex and contradictory.
The creative process is complex and collaborative.
The data is complex and insufficient.
The sound design is complex and thoughtful.
His emotional awakening is complex and profound.
This work is complex and risky.
More suggestions(25)
behaviours is complex and
be complex and negatively
be complex and multivariate
disturbances are complex and
disasters are complex and
is complex and entails
is intricate and
enables complex and
is cumbersome and
is intractable and
is tricky and
is multifaceted and
is diverse and
is sophisticated and
becomes complex and
is knotty and
is problematic and
is challenging and
is difficult and
is sophistication and
is park and
is complicate and
is rather complicated and
is convoluted and
is multi faceted and
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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