Knowing several languages-----(help)him to make friends across the world

It's useful knowing several languages.为何用knowing不用to know Knowing several languages-----(help)him to make friends across the world several several several several several auld lang auld lang Auld lang auld lang so.lang 修改一小段话If the qualified translators want to translate the attributive clause smoothly and successfully,not only knowing the method is not enough,but also improving the compression level,improving the other practice abilities,including lang A Lang Lang:piano prodigy 怎么读 I think lang lang kiss 如题 Lang Lang ______a wonderful piano music. ca lang ha mi sa lang hae