zentao/extension/ipd/user/ext/lang/en/effort.php

<?php
$lang->user->effort = 'Efforts';
$lang->user->select = 'Select User';

$lang->user->featureBar['effort']['all']       = 'All';
$lang->user->featureBar['effort']['today']     = 'today';
$lang->user->featureBar['effort']['yesterday'] = 'Yesterday';
$lang->user->featureBar['effort']['thisweek']  = 'This Week';
$lang->user->featureBar['effort']['lastweek']  = 'Last Week';
$lang->user->featureBar['effort']['thismonth'] = 'This Month';
$lang->user->featureBar['effort']['lastmonth'] = 'Last Month';