志工小心翼翼的，纪录每一个画面，传达不同的故事。
Volunteers record every activity carefully as each tells a different story.
不过，在某些应用程序案例中，您需要针对每一个画面格进行更精细的呈现控制。
However, there are application scenarios in which you need finer-grained control over rendering on a per frame basis.
11的每一个画面已经深深烙进了这个国家的记忆当中-被劫持的飞机划破无云晴朗的9月天空；
The images of 9/11 are seared into our national memory — hijacked planes cutting through a cloudless September sky;
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