means "not to mention", "not only … but also": the first item goes without saying, and the sentence adds a second one, marked with
or
. It goes straight after a noun and belongs to writing, speeches and the news.
、。
Children as well as adults can enjoy this film.
、。
Many tourists come from abroad, not to mention from within the country.
、。
He does well in his studies, of course, and he is even good at sports.
はもとより or はもちろん
The two mean the same and go in the same place. is what you say in conversation; はもとより sounds like a written report.
、。
She speaks English too, not just Japanese.
、。
This university teaches classes in English as well as in Japanese.
With a negative it reads as "let alone": the first item is the harder one, and even the second fails.
、。
I've never even travelled in my own country, let alone abroad.