They leave a blank space so that they can insert their dialogue while listening to the recording.

他们会留出空白，以便在听录音时插入谈话内容。

youdao

This must be done carefully, however, because too much free space will mean an abundance of index pages, which could negatively impact query performance and even insert processsing itself.

所以这样做时要小心，不过，太多的自由空间意味着大量的索引页，这对查询的性能乃至 insert 处理本身都会产生负面影响。

youdao

Not only did I insert the railroad tracks, but I began carving out more white space to free up the different zones of the image.

我不仅在图中置入了铁路轨道，还在适当的地方留白以释放图像中的不同区域不至于使得图像过于饱满。

youdao

They may insert themselves into unused space within a binary so as not to change the size or other characteristics of those files (though they would affect a checksum).

CNN: Technology - Analysis: Understanding viruses

Now, Insert Coin semifinalist Radiator Labs is working to bring a solution to market that'll make your living space a lot more tolerable, and as an added bonus, it'll save energy at the same time.

ENGADGET

You may not notice the glossy facade at first, however, as the biggest hardware change in the new PS3 is where you insert disc-based media: a top-loading slider gets moved to the left, revealing a space for your brand new copy of Uncharted 3: Drake's Deception Game of the Year Edition (bundled with the 250GB console).

ENGADGET: PlayStation 3 Slim review (late 2012): is the third time a charm?