So here's the trick: you got to create contact between the tip of the tongue and the upper palate, continuous contact.

所以诀窍是这样的：你必须在舌尖和上腭之间创造接触，持续的接触。

It doesn't stop there as many ground  staff members are also meant to keep in continuous contact with the  pilot.

它并不止于此，因为许多地勤人员还需要与飞行员保持持续联系。

That's because, for the first time in human history, a large proportion of the species is in continuous contact with technology that can record key features of an individual's behavior and environment.

这是因为相当大一部分人史无前例地持续接触能够记录个人行为和环境关键特征的技术。