Chinese languages

Posted: **Sun Jul 29, 2012 10:18 am**

What is the difference between 乃是 and 是?

http://youtu.be/aK6bapG4_JY

Posted: **Mon Jan 27, 2014 1:17 am**

they are same.

是 is high frequency than 乃是
and 乃是 always appear in old china not in modern

乃是 vs 是