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
10강 부정사(infinitives)를 부르는 주문
동사 앞에 to를 붙여 명사, 형용사, 부사로 활용하기