Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions. 'know of' is used when you have personal experience with wha... If you know about a subject, you have studied it or taken an interest in it, and understand part or all of it.
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how to know if you have pots, Why do you think that He doesn't know him from his schooldays means that he does know him? It would only have that sense if you added something like In fact, he first met him at university. Researchers are still determining the cause of these extended symptoms, but some COVID-19 "long-haulers" may actually be dealing with a known condition, called postural orthostatic tachycardia ... MSN: The tell-tale signs of POTS, the condition more and more women are getting diagnosed with If you're new to the world of POTS, whether that's because of its newfound connections with Long COVID-19, or its recent momentum on social media, you've probably come across the long list of symptoms ... The tell-tale signs of POTS, the condition more and more women are getting diagnosed with