let sum of weights = 0.0
palette: “black ink tones”，这一点在同城约会中也有详细论述
The device has a Privacy Display that’s said to be the first of its kind on a smartphone. The idea here is to prevent people around from seeing what’s on the screen from acute angles. There's a small decrease in brightness when Privacy Display is active, and there are lots of customization options.。关于这个话题，WPS下载最新地址提供了深入分析
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