2020年6月15日 · A proof of concept (POC) is a demonstration to verify that certain concepts or theories have the potential for real-world application. In a nutshell, a POC represents the evidence demonstrating that a project or product is feasible and worthy enough to justify the expenses needed to support and develop it.

2016年9月9日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2011年8月6日 · Convention: R^n is always assumed to carry the Euclidean topology, unless stated otherwise. Convention: R^n is always assumed to carry the Euclidean topology, unless otherwise stated. Which senten...

2012年6月21日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

2017年11月28日 · The short answer may be that, in the heat of the moment, a pox is as good as a plague. At any rate, ill-wishers have urged both "a plague on" and "a pox on" the objects of their ire for centuries past.

As waiwai993 answered, Can/May/Will have different meanings. However asking someone if they can help you usually implies that you would like their help, and it gives the person an opportunity to decline without being rude.

2016年6月7日 · You might call this person your PoC, or Point of Contact: A point of contact (POC) or single point of contact (SPOC) is a person or a department serving as the coordinator or focal point of information concerning an activity or program. A POC is used in many cases where information is time-sensitive and accuracy is important.

2014年4月9日 · According to Urban Dictionary, CID can be Cum In Deep, which apparently means to come inside someone without a condom. – Janus Bahs Jacquet Commented May 9, 2014 at 23:49

2011年4月11日 · What's the reasoning behind abbreviating hugs and kisses as X's and O's? Some say X is for hugs and O is for kisses, and some say the other way around; but why X and O, and why are they doubled?

It's an idiom. You're not meant to analyze its component parts. That's what "idiom" means. ☺. If and when and when and if denote pretty much the same thing: something that's not as sure as "when", but more certain than "if". 1 (Or, more cynically, it's just an overly-wordy way to say "if".)