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Filename: models/Site_model.php

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Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
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Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
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Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: models/Site_model.php

Line Number: 233

Backtrace:

File: /var/www/html/KOL/voice/application/models/Site_model.php
Line: 233
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Exitpage.php
Line: 110
Function: get_keyword_cat

File: /var/www/html/KOL/voice/public/index.php
Line: 319
Function: require_once

疑難雜症萬事通 - 多數決缺點 - 前往 https://coggle.it/diagram/Wwk4LiozRlNuNx_O/t/各國的選舉制度種類很多，其中「兩輪投票制」（second-system）有何特徵？優缺點為何？試分別說明之。
疑難雜症萬事通
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您即將離開本站

並前往 https://coggle.it/diagram/Wwk4LiozRlNuNx_O/t/%E5%90%84%E5%9C%8B%E7%9A%84%E9%81%B8%E8%88%89%E5%88%B6%E5%BA%A6%E7%A8%AE%E9%A1%9E%E5%BE%88%E5%A4%9A%EF%BC%8C%E5%85%B6%E4%B8%AD%E3%80%8C%E5%85%A9%E8%BC%AA%E6%8A%95%E7%A5%A8%E5%88%B6%E3%80%8D%EF%BC%88second-system%EF%BC%89%E6%9C%89%E4%BD%95%E7%89%B9%E5%BE%B5%EF%BC%9F%E5%84%AA%E7%BC%BA%E9%BB%9E%E7%82%BA%E4%BD%95%EF%BC%9F%E8%A9%A6%E5%88%86%E5%88%A5%E8%AA%AA%E6%98%8E%E4%B9%8B%E3%80%82

是否確定要離開？