Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
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0 ? 'wps-glance-up' : ($metric['change'] < 0 ? 'wps-glance-down' : '');
$color_class = '';
if ($metric['change'] != 0) {
$is_negative_polarity = isset($metric['polarity']) && $metric['polarity'] === 'negative';
$is_good_change = ($is_negative_polarity && $metric['change'] < 0) || (!$is_negative_polarity && $metric['change'] > 0);
$color_class = $is_good_change ? 'wps-glance-positive' : 'wps-glance-negative';
}
$changeValue = number_format(abs((float) $metric['change']), 1);