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

Imported clips can be dragged into sequence and trimmed with a tap, and, unlike Apple's competing iMovie app, Avid Studio allows you to insert multiple audio tracks, deciding precisely when one song should end and another starts.

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