Трамп высказался о непростом решении по Ирану09:14
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借助光栅原理，让屏幕发出的光只能从正面特定角度范围内看到，从而实现「大角度防窥」的效果：
When fetch() returns a response, the body is a ReadableStream. If you only check the status and don't consume or cancel the body, what happens? The answer varies by implementation, but a common outcome is resource leakage.