What follows is a proof of concept: it's not a finished standard, not a production-ready library, not even necessarily a concrete proposal for something new, but a starting point for discussion that demonstrates the problems with Web streams aren't inherent to streaming itself; they're consequences of specific design choices that could be made differently. Whether this exact API is the right answer is less important than whether it sparks a productive conversation about what we actually need from a streaming primitive.
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。
。im钱包官方下载对此有专业解读
为什么？因为国内母港航线几乎全是5-6天的短航线，要配合国人的短假习惯。
if (right < n) {