The battens are partly creating a natural sunscreen and privacy shield on the vitrification.

木条一定程度上创造了自然遮光屏，透明化的隐私空间。

youdao

Free-speech campaigners, who think the rich and powerful use privacy to shield wrongdoing, welcomed the decision.

ECONOMIST: Of privacy, the courts and (more importantly) the internet

Do you think that the Founders would approve or disapprove of the proposition that American citizens have an inherent right of privacy as a necessary shield and buffer against government intrusions such as those addressed by a plain reading of the First, Fourth and Fifth Amendments?

FORBES: Big Brother Is Increasingly Watching You

"The promised privacy safeguards do not provide adequate protection to shield Street View from the general requirement of notice and consent, " said the complaint.

BBC: Call to 'shut down' Street View