Pontoon: Update Chinese (Taiwan) (zh-TW) localization of AMO

Co-authored-by: Pin-guang Chen <petercpg@mail.moztw.org>

locale/zh_TW/LC_MESSAGES/django.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: addons-trunk // addons.mozilla.org\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
 "POT-Creation-Date: 2020-12-07 10:50+0000\n"
-"PO-Revision-Date: 2020-12-07 11:06+0000\n"
+"PO-Revision-Date: 2020-12-07 11:40+0000\n"
 "Last-Translator: Pin-guang Chen <petercpg@mail.moztw.org>\n"
 "Language-Team: Traditional Chinese (Taiwan) <LL@li.org>\n"
 "Language: zh_TW\n"
@@ -410,7 +410,7 @@ msgid "Email address not found."
 msgstr "找不到電子郵件信箱。"
 
 msgid "Unavailable for legal reasons."
-msgstr ""
+msgstr "由於法律因素無法使用。"
 
 msgid "The field must have a length of at least {num} characters."
 msgstr "此欄位內容必須至少有 {num} 字元長。"