RE: [steem蟲:혜택] 봄과 스팀을 함께 2배로 즐기다. (enjoy Spring and Steem 2fold )

[steamsteem]

I have to read this lesson, but I may lose chance to vote, so I vote first before I read and study this lesson. Sorry for my late reading, teacher..

Here can I use 'teacher' in the above sentence ?

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For your above quesitons written in Korean, I will write later, sorry for that delay, too.