// TODO: translate the following.
// 'error.overlap' => 'Time interval overlaps with existing records.',
// 'error.future_date' => 'Date is in future.',
+// 'error.cannot_import' => 'Cannot import: %s.',
// Labels for buttons.
'button.login' => '登录',
'label.user' => '用户',
'label.users' => '用户',
// TODO: translate the following.
+// 'label.group' => 'Group',
// 'label.roles' => 'Roles',
'label.client' => '客户',
'label.clients' => '客户',