mac에서 scss 사용하는 방법

<p>https://blog.naver.com/thdbsgh3443/221350830475</p> <p>https://blog.naver.com/sonmiheon/221517792281</p> <p>https://stackoverflow.com/questions/51126403/you-dont-have-write-permissions-for-the-library-ruby-gems-2-3-0-directory-ma?rq=1</p>