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Discover LudwigThe phrase "on which topic" is correct and usable in written English
It can be used when referring to a specific subject or theme that is being discussed or inquired about. Example: "I would like to know your thoughts on which topic we should focus our research."
Exact(15)
On which topic, if a new public holiday is on the cards, how about the closing of the window; Jim White day?
Those wanting a newly coherent view of the play itself should look elsewhere for Shakespearean revelations, on which topic is more later on.
More offensive and potentially more damaging are subtler variants on discriminatory language, on which topic, two interesting things this week: Liz Cheney's appearance on Fox News, and Lamar Kendrick's complaint about his treatment in an interview in GQ.
What discomfort there is in Shanté's glossy world comes in the form of man trouble, on which topic she is a self-avowed expert, dispensing advice to her lovelorn girlfriends.
On which topic this is the first Twitter Olympics and, reading the tweets during the ceremony, I felt terribly out of step, finding Danny Boyle's production, while startling in places, muddled and over-long and often irrelevant to a worldwide audience.
Incidentally, one of you was good enough to point out last week that my little joke about Game, Set, and Mats, Eurosport's analysis show, was getting a second airing, having first appeared in 2008 (keep updating those binders, folks), on which topic you have to question whether Eurosport is making the most of the Mats brand?
Similar(45)
Twitter keeps an eye on which topics are trending within the public stream and publishes an API method for trends making it very easy to build a service to spam into trends.
These principles are how you affect others, on which topics and with how much effort.
In this article, I suggest that the focus on which topics are to be covered is misplaced.
Aardvark says that over time, its software gets smarter about which users are the most likely to answer questions on which topics.
Simply, having a CHRO is based on how and with whom the TMT members want to work with and on which topics.
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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