我之所以教书，并不是因为教书容易。

I don't teach because teaching is easy for me.

youdao

当然，我之所以教书并不是因为我觉得教书轻松。

Certainly I don't teach because teaching is easy for me.

youdao

当然，我之所以教书并不是因为我觉得教书轻松。

Certainly I don't teach because teaching is easy for me.

youdao