That note should be B flat, not B.

那个音应该是降B音，而不是B音。

《牛津词典》

B a metaphor is what we call a poetic lie. Everybody knows a is not b.

隐喻就是我们所指的诗化的谎言，人人都知道A不是。

youdao

But funny thing is he is not B-class, but I think this is a good strong. I do not think he should be able to test the Guo Siji!

不过搞笑的是他现在B级都没过，不过这样我觉得他好坚强。我相信他应该可以考过四级的！

youdao

"Hepatitis B is the silent killer because most people who are chronically infected may not be aware of the infection."

VOA: standard.2010.07.26

This is related, again, to the frontal lobes and this comes out with the A, not B error.

这也与额叶有关,并且解释了A非B错误

耶鲁公开课 - 心理学导论课程节选

B In fact, it's even a question whether A is A, but it's certainly not B, right? This much we know. In the grammatical sense there is no sort of mystification about the metaphor.

实际上，人们甚至对A是不是A都有疑问，但肯定不是，是吧，我们都知道这点，而从语法的角度来看,并没有像暗喻一样的神秘化。

耶鲁公开课 - 文学理论导论课程节选

Those people that I saw who responded were not B.

NPR: The Finish Line: What The Bombing Was Like

Mr. Quelch: I think that Chinese companies will add value initially in the B-to-B (business-to-business) sector, not the B-to-C (business-to-consumer) sector.

WSJ: Managing in Asia: China Eyed as Next Educational Frontier; John A. Quelch: China Europe International Business School

The Clash made great singles, and they made great LPs, and they would usually put the singles on the LPs but not the b-side of the singles.

NPR: The Mix Tape: Art and Artifact