'title.login' => '登录',
'title.groups' => '团队', // TODO: change "teams" to "groups".
// TODO: translate the following.
+// 'title.subgroups' => 'Subgroups',
// 'title.create_group' => 'Creating Group',
// 'title.edit_group' => 'Editing Group',
'title.delete_group' => '删除团队', // TODO: change "team" to "group".