Dual tracks of light from luminous spots, one on each side of the thorax, chronicle the movements of a click beetle on a leaf in Jamaica.

图为在牙买加，叩头虫胸腔两侧的发光腺体发出的两条光迹，记录了叶片上的这只叩头虫的行踪。

I think the highest one of all time was when Volkswagen ran a promoted tweet for their new VW Beetle that actually had an engagement rate, where an engagement is a click, a reply or a retweet, of 52%.

我想有史以来顾客参与率最高的广告，应该是大众汽车（Volkswagen）为他们的新甲壳虫轿车（VW Beetle）所做的促销推文，它的用户参与率高达52%（所谓的用户参与是指Twitter用户点击、回复或转发了该推文）。