To give a title to a text about less common vocabulary, can I use the expression: less common vocabulary?

Can anyone help me with learning basic Japanese, I have studied some Kanji but I've almost never had a chance to utilize it, would be nice if someone could help

I want to learn mandarin. I speak english. I have been only studying mandarin for a couple weeks. I am looking for language exchange.

I have a question. I have been going on business trips frequently from last March until today. In this case, should I say "I have been going on business trips these days"? Or should I say "I have gone on a business trips these days"? Or would it be better to say "I often go on business trips these days"? Thank you!

Do you want to learn English from a professional English teacher?

Which one is correct? How long did you stay in New York? How long did you stay at New York?

If I want to change the voice in this sentence from active to passive. I know how to change a sentence from active to passive if we have only one verb but here we have to verbs, how do I know which verb I have to change 'Going' or 'tolerate'. Answer of the question is the option A. Thanks in Advance.

Hello! Can someone give me a hand with this exercise ? I find it quite difficult indeed Thank you !

Hi everyone I looking for an English language partner to improve my speaking and vocabulary. And I can teach you a little bit Chinese too.🙋🏻‍♀️😂

Can you give me ...... example?