// 每组：起始位置为0,1,2,...,gap-1
为全球减贫事业贡献了中国方案、中国智慧
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安東尼·澤尼爾（Anthony Zurcher），BBC駐北美記者
The LiPlay Plus also includes some fun extra features, such as a layered photo mode that combines images from both cameras into a single shot. It can also record short audio clips, which are saved as a QR code you can place in a corner of the printed photo. Both features are enjoyable to play with, though the layered photo mode can, admittedly, come off as gimmicky. You’re basically just dropping a selfie onto a background image with no way to reposition or resize it.
setVolume(volume)