举个例子，比如拍一张有三瓶矿泉水的照片，白天和晚上光线不同，整张图片的色温、亮度都变了，模型可能就不认识了。
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If something like this happens to you: don’t panic, act fast. Hit their every channel, forms, emails, social links. Let them know.
A complex spec creates complex edge cases. The Web Platform Tests for streams span over 70 test files, and while comprehensive testing is a good thing, what's telling is what needs to be tested.