相机：观众的眼睛。这里用的是 PerspectiveCamera（透视相机）。
The Advertising Standards Authority (ASA) received complaints from nine viewers who believed the ad trivialised sexual violence.
，更多细节参见WPS官方版本下载
Stream.pull() creates a lazy pipeline. The compress and encrypt transforms don't run until you start iterating output. Each iteration pulls data through the pipeline on demand.
She added that they normally have between 80 and 90 people visit the larder during a session.