zentao/extension/max/workestimation/lang/en.php

<?php
$lang->workestimation->common         = 'Workload Estimation';
$lang->workestimation->budget         = 'Estimate';
$lang->workestimation->index          = 'Overview';
$lang->workestimation->scale          = 'Scale';
$lang->workestimation->productivity   = 'Productivity';
$lang->workestimation->duration       = 'Total Estimation';
$lang->workestimation->unitLaborCost  = 'Unit Labour cost';
$lang->workestimation->totalLaborCost = 'Estimated Labor Cost';
$lang->workestimation->dayHour        = 'Daily Man-hours';
$lang->workestimation->hour           = 'Man-hour';
$lang->workestimation->consumed       = 'Cost Man-hours';

$lang->workestimation->scaleTip = "Actual scale of current {$lang->projectCommon}: <strong>%s{$lang->hourCommon}</strong> <a href='###' id='useScale' class='btn size-xs ml-2' data-on='click' data-call='updateScale'> uses </a>";
$lang->workestimation->tips     = 'Estimate the duration of the project only after the estimate of the workload has been completed. The default Estimate Unit, Unit labor cost, Hours/day, Days/week can be configured in <strong>Admin - Feature - Project - Estimate</strong>.';

$lang->workestimation->placeholder = new stdclass();
$lang->workestimation->placeholder->scale          = '';
$lang->workestimation->placeholder->productivity   = '';
$lang->workestimation->placeholder->duration       = '';
$lang->workestimation->placeholder->unitLaborCost  = '';
$lang->workestimation->placeholder->totalLaborCost = '';