Severity: Notice
Message: Undefined index: HTTP_ACCEPT_LANGUAGE
Filename: libraries/user_agent_parser.php
Line Number: 226
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/puzzlish/public_html/_system/core/Exceptions.php:185)
Filename: core/Input.php
Line Number: 286
25강 시험에 꼭 나오는 원급, 비교급, 최상급 기본개념을 그림으로 쉽게 이해하기
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