The phrase "about that primarily" is grammatically correct and can be used in written English.
It can be used when discussing the main focus or emphasis of a topic or issue.
Example: "In our meeting, we will be talking about that primarily, so please come prepared with your thoughts."
Alternatives: "regarding that mainly" or "concerning that chiefly".
Doctors still know far less about diseases that primarily affect women and about how common conditions such as heart disease express themselves in women's bodies as opposed to men's; they also, research suggests, tend to disbelieve women's accounts of their pain and other symptoms, creating a familiar series of double binds.
When people ask me what I do, and I respond that I'm a blogger, and that I blog about topics that primarily concern African women, quite often they proceed to either tell me about an humanitarian or developmental cause they are involved with or have read about.
How a community of color is fannish about performers of color or about media texts that primarily feature people of color.
How a predominantly white community is fannish about performers of color or about media texts that primarily feature people of color.
Ryan's plan would cut about $4.3 trillion from programs that primarily benefit the 99% while reducing taxes by about an equal amount, $4.2 trillion, to the overwhelmingly benefit of the one percent.
An exhibition about the Yuan style that primarily shows Ming- and Qing-era paintings may seem perplexing, but it illustrates the idea of a legacy.
Avoid speaking or writing about the unimportant things that primarily make up our daily lives and only weigh in on those things that are of genuine import.
For example, if we already have substantial evidence of depression based on the responses thus far, the computer will discount the value of items that primarily ask about minor symptoms, and focus on those that ask about severe symptoms.
In Meurig Thomas's view the author is, simply, "the person that primarily thinks about the experiment, plans it, and writes it.
This, according to Yeung, is absolutely untrue (unless you are talking about fly-by-night operations that primarily source customers from Alibaba or GlobalSources and have no real engineering or scale).
Recordwise and bookwise, if there's stuff that we don't know about, that's primarily what we're after.
